Home / 7,887,030.10-11,830,545.15-6,540,712.90

Finding the Fourth Proportional to 7,887,030.10, 11,830,545.15 and 6,540,712.90

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Solution

The fourth proportional to 7,887,030.10, 11,830,545.15 and 6,540,712.90 is: 9,811,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,030.10 : 11,830,545.15 = 6,540,712.90 : x
  2. Step 2: Convert to fraction form
    7,887,030.10/11,830,545.15 = 6,540,712.90/x
  3. Step 3: Cross multiply
    7,887,030.10x = 11,830,545.15 × 6,540,712.90
  4. Step 4: Simplify right side
    7,887,030.10x = 77,380,199,276,637.44
  5. Step 5: Solve for x
    x = 77,380,199,276,637.44/7,887,030.10
  6. Step 6: Final answer
    x = 9,811,069.35

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Similar ratio
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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.