Home / 42,712,724.20-64,076,067.42-13,950,509.80

Finding the Fourth Proportional to 42,712,724.20, 64,076,067.42 and 13,950,509.80

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Solution

The fourth proportional to 42,712,724.20, 64,076,067.42 and 13,950,509.80 is: 20,928,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,712,724.20 : 64,076,067.42 = 13,950,509.80 : x
  2. Step 2: Convert to fraction form
    42,712,724.20/64,076,067.42 = 13,950,509.80/x
  3. Step 3: Cross multiply
    42,712,724.20x = 64,076,067.42 × 13,950,509.80
  4. Step 4: Simplify right side
    42,712,724.20x = 893,893,806,488,170.75
  5. Step 5: Solve for x
    x = 893,893,806,488,170.75/42,712,724.20
  6. Step 6: Final answer
    x = 20,928,044.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.