Home / 12,607,779.92-17,399,388.36-7,711,466.96

Finding the Fourth Proportional to 12,607,779.92, 17,399,388.36 and 7,711,466.96

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Solution

The fourth proportional to 12,607,779.92, 17,399,388.36 and 7,711,466.96 is: 10,642,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,779.92 : 17,399,388.36 = 7,711,466.96 : x
  2. Step 2: Convert to fraction form
    12,607,779.92/17,399,388.36 = 7,711,466.96/x
  3. Step 3: Cross multiply
    12,607,779.92x = 17,399,388.36 × 7,711,466.96
  4. Step 4: Simplify right side
    12,607,779.92x = 134,174,808,462,348.58
  5. Step 5: Solve for x
    x = 134,174,808,462,348.58/12,607,779.92
  6. Step 6: Final answer
    x = 10,642,223.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.