Home / 11,641,345.60-17,465,128.80-10,387,854.40

Finding the Fourth Proportional to 11,641,345.60, 17,465,128.80 and 10,387,854.40

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Solution

The fourth proportional to 11,641,345.60, 17,465,128.80 and 10,387,854.40 is: 15,584,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641,345.60 : 17,465,128.80 = 10,387,854.40 : x
  2. Step 2: Convert to fraction form
    11,641,345.60/17,465,128.80 = 10,387,854.40/x
  3. Step 3: Cross multiply
    11,641,345.60x = 17,465,128.80 × 10,387,854.40
  4. Step 4: Simplify right side
    11,641,345.60x = 181,425,215,051,646.72
  5. Step 5: Solve for x
    x = 181,425,215,051,646.72/11,641,345.60
  6. Step 6: Final answer
    x = 15,584,557.09

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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.