Home / 10,927,209.60-16,390,814.40-8,057,428.20

Finding the Fourth Proportional to 10,927,209.60, 16,390,814.40 and 8,057,428.20

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Solution

The fourth proportional to 10,927,209.60, 16,390,814.40 and 8,057,428.20 is: 12,086,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927,209.60 : 16,390,814.40 = 8,057,428.20 : x
  2. Step 2: Convert to fraction form
    10,927,209.60/16,390,814.40 = 8,057,428.20/x
  3. Step 3: Cross multiply
    10,927,209.60x = 16,390,814.40 × 8,057,428.20
  4. Step 4: Simplify right side
    10,927,209.60x = 132,067,810,167,526.09
  5. Step 5: Solve for x
    x = 132,067,810,167,526.09/10,927,209.60
  6. Step 6: Final answer
    x = 12,086,142.30

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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.