Home / 12,715,835.36-17,547,318.64-7,209,580.64

Finding the Fourth Proportional to 12,715,835.36, 17,547,318.64 and 7,209,580.64

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Solution

The fourth proportional to 12,715,835.36, 17,547,318.64 and 7,209,580.64 is: 9,948,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,835.36 : 17,547,318.64 = 7,209,580.64 : x
  2. Step 2: Convert to fraction form
    12,715,835.36/17,547,318.64 = 7,209,580.64/x
  3. Step 3: Cross multiply
    12,715,835.36x = 17,547,318.64 × 7,209,580.64
  4. Step 4: Simplify right side
    12,715,835.36x = 126,508,808,750,855.12
  5. Step 5: Solve for x
    x = 126,508,808,750,855.12/12,715,835.36
  6. Step 6: Final answer
    x = 9,948,918.43

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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.