Home / 28,584,047.40-42,876,071.10-16,490,812.20

Finding the Fourth Proportional to 28,584,047.40, 42,876,071.10 and 16,490,812.20

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Solution

The fourth proportional to 28,584,047.40, 42,876,071.10 and 16,490,812.20 is: 24,736,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584,047.40 : 42,876,071.10 = 16,490,812.20 : x
  2. Step 2: Convert to fraction form
    28,584,047.40/42,876,071.10 = 16,490,812.20/x
  3. Step 3: Cross multiply
    28,584,047.40x = 42,876,071.10 × 16,490,812.20
  4. Step 4: Simplify right side
    28,584,047.40x = 707,061,236,383,947.38
  5. Step 5: Solve for x
    x = 707,061,236,383,947.38/28,584,047.40
  6. Step 6: Final answer
    x = 24,736,218.30

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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.