Home / 12,359,268.40-18,514,989.76-6,951,488.08

Finding the Fourth Proportional to 12,359,268.40, 18,514,989.76 and 6,951,488.08

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Solution

The fourth proportional to 12,359,268.40, 18,514,989.76 and 6,951,488.08 is: 10,413,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,268.40 : 18,514,989.76 = 6,951,488.08 : x
  2. Step 2: Convert to fraction form
    12,359,268.40/18,514,989.76 = 6,951,488.08/x
  3. Step 3: Cross multiply
    12,359,268.40x = 18,514,989.76 × 6,951,488.08
  4. Step 4: Simplify right side
    12,359,268.40x = 128,706,730,617,962.08
  5. Step 5: Solve for x
    x = 128,706,730,617,962.08/12,359,268.40
  6. Step 6: Final answer
    x = 10,413,782.31

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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.