Home / 13,614,332.79-18,787,779.64-7,502,761.29

Finding the Fourth Proportional to 13,614,332.79, 18,787,779.64 and 7,502,761.29

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Solution

The fourth proportional to 13,614,332.79, 18,787,779.64 and 7,502,761.29 is: 10,353,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,332.79 : 18,787,779.64 = 7,502,761.29 : x
  2. Step 2: Convert to fraction form
    13,614,332.79/18,787,779.64 = 7,502,761.29/x
  3. Step 3: Cross multiply
    13,614,332.79x = 18,787,779.64 × 7,502,761.29
  4. Step 4: Simplify right side
    13,614,332.79x = 140,960,225,808,042.16
  5. Step 5: Solve for x
    x = 140,960,225,808,042.16/13,614,332.79
  6. Step 6: Final answer
    x = 10,353,810.80

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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.