Home / 8,918,402.81-12,307,186.54-5,247,557.15

Finding the Fourth Proportional to 8,918,402.81, 12,307,186.54 and 5,247,557.15

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Solution

The fourth proportional to 8,918,402.81, 12,307,186.54 and 5,247,557.15 is: 7,241,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,402.81 : 12,307,186.54 = 5,247,557.15 : x
  2. Step 2: Convert to fraction form
    8,918,402.81/12,307,186.54 = 5,247,557.15/x
  3. Step 3: Cross multiply
    8,918,402.81x = 12,307,186.54 × 5,247,557.15
  4. Step 4: Simplify right side
    8,918,402.81x = 64,582,664,669,384.27
  5. Step 5: Solve for x
    x = 64,582,664,669,384.27/8,918,402.81
  6. Step 6: Final answer
    x = 7,241,505.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.