Home / 42,553,746.80-63,839,587.80-13,797,640.40

Finding the Fourth Proportional to 42,553,746.80, 63,839,587.80 and 13,797,640.40

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Solution

The fourth proportional to 42,553,746.80, 63,839,587.80 and 13,797,640.40 is: 20,699,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,553,746.80 : 63,839,587.80 = 13,797,640.40 : x
  2. Step 2: Convert to fraction form
    42,553,746.80/63,839,587.80 = 13,797,640.40/x
  3. Step 3: Cross multiply
    42,553,746.80x = 63,839,587.80 × 13,797,640.40
  4. Step 4: Simplify right side
    42,553,746.80x = 880,835,675,748,627.12
  5. Step 5: Solve for x
    x = 880,835,675,748,627.12/42,553,746.80
  6. Step 6: Final answer
    x = 20,699,368.26

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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.