Home / 28,187,819.60-42,281,729.40-23,808,376.40

Finding the Fourth Proportional to 28,187,819.60, 42,281,729.40 and 23,808,376.40

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Solution

The fourth proportional to 28,187,819.60, 42,281,729.40 and 23,808,376.40 is: 35,712,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187,819.60 : 42,281,729.40 = 23,808,376.40 : x
  2. Step 2: Convert to fraction form
    28,187,819.60/42,281,729.40 = 23,808,376.40/x
  3. Step 3: Cross multiply
    28,187,819.60x = 42,281,729.40 × 23,808,376.40
  4. Step 4: Simplify right side
    28,187,819.60x = 1,006,659,328,398,146
  5. Step 5: Solve for x
    x = 1,006,659,328,398,146/28,187,819.60
  6. Step 6: Final answer
    x = 35,712,564.60

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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.