Home / 10,856,566.20-16,291,070.10-4,129,807.80

Finding the Fourth Proportional to 10,856,566.20, 16,291,070.10 and 4,129,807.80

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Solution

The fourth proportional to 10,856,566.20, 16,291,070.10 and 4,129,807.80 is: 6,197,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,566.20 : 16,291,070.10 = 4,129,807.80 : x
  2. Step 2: Convert to fraction form
    10,856,566.20/16,291,070.10 = 4,129,807.80/x
  3. Step 3: Cross multiply
    10,856,566.20x = 16,291,070.10 × 4,129,807.80
  4. Step 4: Simplify right side
    10,856,566.20x = 67,278,988,369,326.77
  5. Step 5: Solve for x
    x = 67,278,988,369,326.77/10,856,566.20
  6. Step 6: Final answer
    x = 6,197,078.08

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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.