Home / 7,120,887.60-10,681,331.40-4,727,953.20

Finding the Fourth Proportional to 7,120,887.60, 10,681,331.40 and 4,727,953.20

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Solution

The fourth proportional to 7,120,887.60, 10,681,331.40 and 4,727,953.20 is: 7,091,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,887.60 : 10,681,331.40 = 4,727,953.20 : x
  2. Step 2: Convert to fraction form
    7,120,887.60/10,681,331.40 = 4,727,953.20/x
  3. Step 3: Cross multiply
    7,120,887.60x = 10,681,331.40 × 4,727,953.20
  4. Step 4: Simplify right side
    7,120,887.60x = 50,500,834,972,890.48
  5. Step 5: Solve for x
    x = 50,500,834,972,890.48/7,120,887.60
  6. Step 6: Final answer
    x = 7,091,929.80

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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.