Home / 28,034,148.60-42,059,096.10-13,657,685.40

Finding the Fourth Proportional to 28,034,148.60, 42,059,096.10 and 13,657,685.40

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Solution

The fourth proportional to 28,034,148.60, 42,059,096.10 and 13,657,685.40 is: 20,490,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034,148.60 : 42,059,096.10 = 13,657,685.40 : x
  2. Step 2: Convert to fraction form
    28,034,148.60/42,059,096.10 = 13,657,685.40/x
  3. Step 3: Cross multiply
    28,034,148.60x = 42,059,096.10 × 13,657,685.40
  4. Step 4: Simplify right side
    28,034,148.60x = 574,429,902,742,167
  5. Step 5: Solve for x
    x = 574,429,902,742,167/28,034,148.60
  6. Step 6: Final answer
    x = 20,490,363.77

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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.