Home / 31,115,565.51-42,938,354.80-17,176,621.23

Finding the Fourth Proportional to 31,115,565.51, 42,938,354.80 and 17,176,621.23

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Solution

The fourth proportional to 31,115,565.51, 42,938,354.80 and 17,176,621.23 is: 23,703,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,565.51 : 42,938,354.80 = 17,176,621.23 : x
  2. Step 2: Convert to fraction form
    31,115,565.51/42,938,354.80 = 17,176,621.23/x
  3. Step 3: Cross multiply
    31,115,565.51x = 42,938,354.80 × 17,176,621.23
  4. Step 4: Simplify right side
    31,115,565.51x = 737,535,856,551,730
  5. Step 5: Solve for x
    x = 737,535,856,551,730/31,115,565.51
  6. Step 6: Final answer
    x = 23,703,115.93

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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.