Home / 10,572,225.30-15,858,337.95-9,312,513.30

Finding the Fourth Proportional to 10,572,225.30, 15,858,337.95 and 9,312,513.30

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Solution

The fourth proportional to 10,572,225.30, 15,858,337.95 and 9,312,513.30 is: 13,968,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,225.30 : 15,858,337.95 = 9,312,513.30 : x
  2. Step 2: Convert to fraction form
    10,572,225.30/15,858,337.95 = 9,312,513.30/x
  3. Step 3: Cross multiply
    10,572,225.30x = 15,858,337.95 × 9,312,513.30
  4. Step 4: Simplify right side
    10,572,225.30x = 147,680,983,075,269.75
  5. Step 5: Solve for x
    x = 147,680,983,075,269.75/10,572,225.30
  6. Step 6: Final answer
    x = 13,968,769.95

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Double scale
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Similar ratio
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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.