Home / 10,830,078.60-16,245,117.90-8,704,314.60

Finding the Fourth Proportional to 10,830,078.60, 16,245,117.90 and 8,704,314.60

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Solution

The fourth proportional to 10,830,078.60, 16,245,117.90 and 8,704,314.60 is: 13,056,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830,078.60 : 16,245,117.90 = 8,704,314.60 : x
  2. Step 2: Convert to fraction form
    10,830,078.60/16,245,117.90 = 8,704,314.60/x
  3. Step 3: Cross multiply
    10,830,078.60x = 16,245,117.90 × 8,704,314.60
  4. Step 4: Simplify right side
    10,830,078.60x = 141,402,616,915,691.34
  5. Step 5: Solve for x
    x = 141,402,616,915,691.34/10,830,078.60
  6. Step 6: Final answer
    x = 13,056,471.90

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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.