Home / 18,960,712.20-28,441,068.30-18,771,755.40

Finding the Fourth Proportional to 18,960,712.20, 28,441,068.30 and 18,771,755.40

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Solution

The fourth proportional to 18,960,712.20, 28,441,068.30 and 18,771,755.40 is: 28,157,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960,712.20 : 28,441,068.30 = 18,771,755.40 : x
  2. Step 2: Convert to fraction form
    18,960,712.20/28,441,068.30 = 18,771,755.40/x
  3. Step 3: Cross multiply
    18,960,712.20x = 28,441,068.30 × 18,771,755.40
  4. Step 4: Simplify right side
    18,960,712.20x = 533,888,777,442,293.81
  5. Step 5: Solve for x
    x = 533,888,777,442,293.81/18,960,712.20
  6. Step 6: Final answer
    x = 28,157,633.10

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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.