Home / 28,331,702.40-42,508,051.20-11,304,595.20

Finding the Fourth Proportional to 28,331,702.40, 42,508,051.20 and 11,304,595.20

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Solution

The fourth proportional to 28,331,702.40, 42,508,051.20 and 11,304,595.20 is: 16,961,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,702.40 : 42,508,051.20 = 11,304,595.20 : x
  2. Step 2: Convert to fraction form
    28,331,702.40/42,508,051.20 = 11,304,595.20/x
  3. Step 3: Cross multiply
    28,331,702.40x = 42,508,051.20 × 11,304,595.20
  4. Step 4: Simplify right side
    28,331,702.40x = 480,536,311,556,874.25
  5. Step 5: Solve for x
    x = 480,536,311,556,874.25/28,331,702.40
  6. Step 6: Final answer
    x = 16,961,081.43

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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.