Home / 10,309,836.60-15,464,754.90-7,270,781.40

Finding the Fourth Proportional to 10,309,836.60, 15,464,754.90 and 7,270,781.40

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Solution

The fourth proportional to 10,309,836.60, 15,464,754.90 and 7,270,781.40 is: 10,906,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,836.60 : 15,464,754.90 = 7,270,781.40 : x
  2. Step 2: Convert to fraction form
    10,309,836.60/15,464,754.90 = 7,270,781.40/x
  3. Step 3: Cross multiply
    10,309,836.60x = 15,464,754.90 × 7,270,781.40
  4. Step 4: Simplify right side
    10,309,836.60x = 112,440,852,282,478.88
  5. Step 5: Solve for x
    x = 112,440,852,282,478.88/10,309,836.60
  6. Step 6: Final answer
    x = 10,906,172.10

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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.