Home / 13,426,209.40-20,139,314.10-4,450,761.40

Finding the Fourth Proportional to 13,426,209.40, 20,139,314.10 and 4,450,761.40

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Solution

The fourth proportional to 13,426,209.40, 20,139,314.10 and 4,450,761.40 is: 6,676,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,209.40 : 20,139,314.10 = 4,450,761.40 : x
  2. Step 2: Convert to fraction form
    13,426,209.40/20,139,314.10 = 4,450,761.40/x
  3. Step 3: Cross multiply
    13,426,209.40x = 20,139,314.10 × 4,450,761.40
  4. Step 4: Simplify right side
    13,426,209.40x = 89,635,281,818,755.75
  5. Step 5: Solve for x
    x = 89,635,281,818,755.75/13,426,209.40
  6. Step 6: Final answer
    x = 6,676,142.10

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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.