Home / 28,606,670.30-42,876,827.85-11,556,148.70

Finding the Fourth Proportional to 28,606,670.30, 42,876,827.85 and 11,556,148.70

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Solution

The fourth proportional to 28,606,670.30, 42,876,827.85 and 11,556,148.70 is: 17,320,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,670.30 : 42,876,827.85 = 11,556,148.70 : x
  2. Step 2: Convert to fraction form
    28,606,670.30/42,876,827.85 = 11,556,148.70/x
  3. Step 3: Cross multiply
    28,606,670.30x = 42,876,827.85 × 11,556,148.70
  4. Step 4: Simplify right side
    28,606,670.30x = 495,490,998,418,901.25
  5. Step 5: Solve for x
    x = 495,490,998,418,901.25/28,606,670.30
  6. Step 6: Final answer
    x = 17,320,820.40

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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.