Home / 10,257,084.30-15,385,626.45-9,784,692.30

Finding the Fourth Proportional to 10,257,084.30, 15,385,626.45 and 9,784,692.30

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Solution

The fourth proportional to 10,257,084.30, 15,385,626.45 and 9,784,692.30 is: 14,677,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,084.30 : 15,385,626.45 = 9,784,692.30 : x
  2. Step 2: Convert to fraction form
    10,257,084.30/15,385,626.45 = 9,784,692.30/x
  3. Step 3: Cross multiply
    10,257,084.30x = 15,385,626.45 × 9,784,692.30
  4. Step 4: Simplify right side
    10,257,084.30x = 150,543,620,655,991.34
  5. Step 5: Solve for x
    x = 150,543,620,655,991.34/10,257,084.30
  6. Step 6: Final answer
    x = 14,677,038.45

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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.