Home / 10,531,805.40-15,779,993.40-9,008,341.20

Finding the Fourth Proportional to 10,531,805.40, 15,779,993.40 and 9,008,341.20

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Solution

The fourth proportional to 10,531,805.40, 15,779,993.40 and 9,008,341.20 is: 13,497,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,805.40 : 15,779,993.40 = 9,008,341.20 : x
  2. Step 2: Convert to fraction form
    10,531,805.40/15,779,993.40 = 9,008,341.20/x
  3. Step 3: Cross multiply
    10,531,805.40x = 15,779,993.40 × 9,008,341.20
  4. Step 4: Simplify right side
    10,531,805.40x = 142,151,564,680,948.06
  5. Step 5: Solve for x
    x = 142,151,564,680,948.06/10,531,805.40
  6. Step 6: Final answer
    x = 13,497,359.60

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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.