Home / 15,367,913.98-21,208,537.65-8,842,534.90

Finding the Fourth Proportional to 15,367,913.98, 21,208,537.65 and 8,842,534.90

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Solution

The fourth proportional to 15,367,913.98, 21,208,537.65 and 8,842,534.90 is: 12,203,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,913.98 : 21,208,537.65 = 8,842,534.90 : x
  2. Step 2: Convert to fraction form
    15,367,913.98/21,208,537.65 = 8,842,534.90/x
  3. Step 3: Cross multiply
    15,367,913.98x = 21,208,537.65 × 8,842,534.90
  4. Step 4: Simplify right side
    15,367,913.98x = 187,537,234,348,088.97
  5. Step 5: Solve for x
    x = 187,537,234,348,088.97/15,367,913.98
  6. Step 6: Final answer
    x = 12,203,167.89

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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.