Home / 19,875,713.76-29,792,312.82-9,076,832.64

Finding the Fourth Proportional to 19,875,713.76, 29,792,312.82 and 9,076,832.64

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Solution

The fourth proportional to 19,875,713.76, 29,792,312.82 and 9,076,832.64 is: 13,605,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,713.76 : 29,792,312.82 = 9,076,832.64 : x
  2. Step 2: Convert to fraction form
    19,875,713.76/29,792,312.82 = 9,076,832.64/x
  3. Step 3: Cross multiply
    19,875,713.76x = 29,792,312.82 × 9,076,832.64
  4. Step 4: Simplify right side
    19,875,713.76x = 270,419,837,425,666.47
  5. Step 5: Solve for x
    x = 270,419,837,425,666.47/19,875,713.76
  6. Step 6: Final answer
    x = 13,605,540.95

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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.