Home / 10,531,804.40-15,779,991.90-9,008,340.20

Finding the Fourth Proportional to 10,531,804.40, 15,779,991.90 and 9,008,340.20

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Solution

The fourth proportional to 10,531,804.40, 15,779,991.90 and 9,008,340.20 is: 13,497,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,804.40 : 15,779,991.90 = 9,008,340.20 : x
  2. Step 2: Convert to fraction form
    10,531,804.40/15,779,991.90 = 9,008,340.20/x
  3. Step 3: Cross multiply
    10,531,804.40x = 15,779,991.90 × 9,008,340.20
  4. Step 4: Simplify right side
    10,531,804.40x = 142,151,535,388,444.38
  5. Step 5: Solve for x
    x = 142,151,535,388,444.38/10,531,804.40
  6. Step 6: Final answer
    x = 13,497,358.10

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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.