Home / 19,868,977.20-29,778,534-8,496,052.32

Finding the Fourth Proportional to 19,868,977.20, 29,778,534 and 8,496,052.32

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Solution

The fourth proportional to 19,868,977.20, 29,778,534 and 8,496,052.32 is: 12,733,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868,977.20 : 29,778,534 = 8,496,052.32 : x
  2. Step 2: Convert to fraction form
    19,868,977.20/29,778,534 = 8,496,052.32/x
  3. Step 3: Cross multiply
    19,868,977.20x = 29,778,534 × 8,496,052.32
  4. Step 4: Simplify right side
    19,868,977.20x = 252,999,982,876,898.88
  5. Step 5: Solve for x
    x = 252,999,982,876,898.88/19,868,977.20
  6. Step 6: Final answer
    x = 12,733,417.54

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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.