Home / 13,125,001.80-19,656,009.90-6,385,542.60

Finding the Fourth Proportional to 13,125,001.80, 19,656,009.90 and 6,385,542.60

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Solution

The fourth proportional to 13,125,001.80, 19,656,009.90 and 6,385,542.60 is: 9,562,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,001.80 : 19,656,009.90 = 6,385,542.60 : x
  2. Step 2: Convert to fraction form
    13,125,001.80/19,656,009.90 = 6,385,542.60/x
  3. Step 3: Cross multiply
    13,125,001.80x = 19,656,009.90 × 6,385,542.60
  4. Step 4: Simplify right side
    13,125,001.80x = 125,514,288,562,471.72
  5. Step 5: Solve for x
    x = 125,514,288,562,471.72/13,125,001.80
  6. Step 6: Final answer
    x = 9,562,992.10

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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.