Home / 13,681,710.30-20,509,029.45-6,480,587.10

Finding the Fourth Proportional to 13,681,710.30, 20,509,029.45 and 6,480,587.10

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Solution

The fourth proportional to 13,681,710.30, 20,509,029.45 and 6,480,587.10 is: 9,714,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,710.30 : 20,509,029.45 = 6,480,587.10 : x
  2. Step 2: Convert to fraction form
    13,681,710.30/20,509,029.45 = 6,480,587.10/x
  3. Step 3: Cross multiply
    13,681,710.30x = 20,509,029.45 × 6,480,587.10
  4. Step 4: Simplify right side
    13,681,710.30x = 132,910,551,687,190.08
  5. Step 5: Solve for x
    x = 132,910,551,687,190.08/13,681,710.30
  6. Step 6: Final answer
    x = 9,714,469.08

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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.