Home / 31,319,899.71-43,222,444.48-18,088,830.83

Finding the Fourth Proportional to 31,319,899.71, 43,222,444.48 and 18,088,830.83

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Solution

The fourth proportional to 31,319,899.71, 43,222,444.48 and 18,088,830.83 is: 24,963,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319,899.71 : 43,222,444.48 = 18,088,830.83 : x
  2. Step 2: Convert to fraction form
    31,319,899.71/43,222,444.48 = 18,088,830.83/x
  3. Step 3: Cross multiply
    31,319,899.71x = 43,222,444.48 × 18,088,830.83
  4. Step 4: Simplify right side
    31,319,899.71x = 781,843,486,257,787.12
  5. Step 5: Solve for x
    x = 781,843,486,257,787.12/31,319,899.71
  6. Step 6: Final answer
    x = 24,963,154.21

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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.