Home / 19,155,051.40-28,732,577.10-5,691,879.40

Finding the Fourth Proportional to 19,155,051.40, 28,732,577.10 and 5,691,879.40

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Solution

The fourth proportional to 19,155,051.40, 28,732,577.10 and 5,691,879.40 is: 8,537,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,051.40 : 28,732,577.10 = 5,691,879.40 : x
  2. Step 2: Convert to fraction form
    19,155,051.40/28,732,577.10 = 5,691,879.40/x
  3. Step 3: Cross multiply
    19,155,051.40x = 28,732,577.10 × 5,691,879.40
  4. Step 4: Simplify right side
    19,155,051.40x = 163,542,363,704,401.75
  5. Step 5: Solve for x
    x = 163,542,363,704,401.75/19,155,051.40
  6. Step 6: Final answer
    x = 8,537,819.10

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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.