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Finding the Fourth Proportional to 7,175,034.10, 10,762,551.15 and 7,175,034.10

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Solution

The fourth proportional to 7,175,034.10, 10,762,551.15 and 7,175,034.10 is: 10,762,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,034.10 : 10,762,551.15 = 7,175,034.10 : x
  2. Step 2: Convert to fraction form
    7,175,034.10/10,762,551.15 = 7,175,034.10/x
  3. Step 3: Cross multiply
    7,175,034.10x = 10,762,551.15 × 7,175,034.10
  4. Step 4: Simplify right side
    7,175,034.10x = 77,221,671,504,244.22
  5. Step 5: Solve for x
    x = 77,221,671,504,244.22/7,175,034.10
  6. Step 6: Final answer
    x = 10,762,551.15

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Double scale
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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.