Home / 8,516,831.20-12,775,246.80-7,677,023.20

Finding the Fourth Proportional to 8,516,831.20, 12,775,246.80 and 7,677,023.20

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Solution

The fourth proportional to 8,516,831.20, 12,775,246.80 and 7,677,023.20 is: 11,515,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,831.20 : 12,775,246.80 = 7,677,023.20 : x
  2. Step 2: Convert to fraction form
    8,516,831.20/12,775,246.80 = 7,677,023.20/x
  3. Step 3: Cross multiply
    8,516,831.20x = 12,775,246.80 × 7,677,023.20
  4. Step 4: Simplify right side
    8,516,831.20x = 98,075,866,069,325.77
  5. Step 5: Solve for x
    x = 98,075,866,069,325.77/8,516,831.20
  6. Step 6: Final answer
    x = 11,515,534.80

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Similar ratio
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1.5x scale

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.