Home / 13,665,875.16-18,858,167.64-7,553,910

Finding the Fourth Proportional to 13,665,875.16, 18,858,167.64 and 7,553,910

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Solution

The fourth proportional to 13,665,875.16, 18,858,167.64 and 7,553,910 is: 10,423,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,875.16 : 18,858,167.64 = 7,553,910 : x
  2. Step 2: Convert to fraction form
    13,665,875.16/18,858,167.64 = 7,553,910/x
  3. Step 3: Cross multiply
    13,665,875.16x = 18,858,167.64 × 7,553,910
  4. Step 4: Simplify right side
    13,665,875.16x = 142,452,901,117,472.41
  5. Step 5: Solve for x
    x = 142,452,901,117,472.41/13,665,875.16
  6. Step 6: Final answer
    x = 10,423,986.72

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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.