Home / 28,346,701.60-42,520,052.40-19,276,775.20

Finding the Fourth Proportional to 28,346,701.60, 42,520,052.40 and 19,276,775.20

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Solution

The fourth proportional to 28,346,701.60, 42,520,052.40 and 19,276,775.20 is: 28,915,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,701.60 : 42,520,052.40 = 19,276,775.20 : x
  2. Step 2: Convert to fraction form
    28,346,701.60/42,520,052.40 = 19,276,775.20/x
  3. Step 3: Cross multiply
    28,346,701.60x = 42,520,052.40 × 19,276,775.20
  4. Step 4: Simplify right side
    28,346,701.60x = 819,649,491,607,020.38
  5. Step 5: Solve for x
    x = 819,649,491,607,020.38/28,346,701.60
  6. Step 6: Final answer
    x = 28,915,162.80

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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.