Home / 13,402,841.40-20,104,262.10-8,301,007.80

Finding the Fourth Proportional to 13,402,841.40, 20,104,262.10 and 8,301,007.80

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Solution

The fourth proportional to 13,402,841.40, 20,104,262.10 and 8,301,007.80 is: 12,451,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,841.40 : 20,104,262.10 = 8,301,007.80 : x
  2. Step 2: Convert to fraction form
    13,402,841.40/20,104,262.10 = 8,301,007.80/x
  3. Step 3: Cross multiply
    13,402,841.40x = 20,104,262.10 × 8,301,007.80
  4. Step 4: Simplify right side
    13,402,841.40x = 166,885,636,505,344.38
  5. Step 5: Solve for x
    x = 166,885,636,505,344.38/13,402,841.40
  6. Step 6: Final answer
    x = 12,451,511.70

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1.5x scale

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.