Home / 10,572,210.30-15,858,315.45-9,312,498.30

Finding the Fourth Proportional to 10,572,210.30, 15,858,315.45 and 9,312,498.30

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Solution

The fourth proportional to 10,572,210.30, 15,858,315.45 and 9,312,498.30 is: 13,968,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,210.30 : 15,858,315.45 = 9,312,498.30 : x
  2. Step 2: Convert to fraction form
    10,572,210.30/15,858,315.45 = 9,312,498.30/x
  3. Step 3: Cross multiply
    10,572,210.30x = 15,858,315.45 × 9,312,498.30
  4. Step 4: Simplify right side
    10,572,210.30x = 147,680,535,668,988.75
  5. Step 5: Solve for x
    x = 147,680,535,668,988.75/10,572,210.30
  6. Step 6: Final answer
    x = 13,968,747.45

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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.