Home / 10,071,015.30-15,106,522.95-8,476,692.30

Finding the Fourth Proportional to 10,071,015.30, 15,106,522.95 and 8,476,692.30

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Solution

The fourth proportional to 10,071,015.30, 15,106,522.95 and 8,476,692.30 is: 12,715,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,015.30 : 15,106,522.95 = 8,476,692.30 : x
  2. Step 2: Convert to fraction form
    10,071,015.30/15,106,522.95 = 8,476,692.30/x
  3. Step 3: Cross multiply
    10,071,015.30x = 15,106,522.95 × 8,476,692.30
  4. Step 4: Simplify right side
    10,071,015.30x = 128,053,346,770,038.30
  5. Step 5: Solve for x
    x = 128,053,346,770,038.30/10,071,015.30
  6. Step 6: Final answer
    x = 12,715,038.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.