Home / 12,432,034.70-18,648,052.05-9,072,802.70

Finding the Fourth Proportional to 12,432,034.70, 18,648,052.05 and 9,072,802.70

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Solution

The fourth proportional to 12,432,034.70, 18,648,052.05 and 9,072,802.70 is: 13,609,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,034.70 : 18,648,052.05 = 9,072,802.70 : x
  2. Step 2: Convert to fraction form
    12,432,034.70/18,648,052.05 = 9,072,802.70/x
  3. Step 3: Cross multiply
    12,432,034.70x = 18,648,052.05 × 9,072,802.70
  4. Step 4: Simplify right side
    12,432,034.70x = 169,190,096,988,980.53
  5. Step 5: Solve for x
    x = 169,190,096,988,980.53/12,432,034.70
  6. Step 6: Final answer
    x = 13,609,204.05

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Similar ratio
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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.