Home / 42,497,009.20-63,745,513.80-13,746,051.10

Finding the Fourth Proportional to 42,497,009.20, 63,745,513.80 and 13,746,051.10

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Solution

The fourth proportional to 42,497,009.20, 63,745,513.80 and 13,746,051.10 is: 20,619,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,009.20 : 63,745,513.80 = 13,746,051.10 : x
  2. Step 2: Convert to fraction form
    42,497,009.20/63,745,513.80 = 13,746,051.10/x
  3. Step 3: Cross multiply
    42,497,009.20x = 63,745,513.80 × 13,746,051.10
  4. Step 4: Simplify right side
    42,497,009.20x = 876,249,090,090,555.12
  5. Step 5: Solve for x
    x = 876,249,090,090,555.12/42,497,009.20
  6. Step 6: Final answer
    x = 20,619,076.65

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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.