Home / 9,172,841.13-12,658,528.91-5,042,942.57

Finding the Fourth Proportional to 9,172,841.13, 12,658,528.91 and 5,042,942.57

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Solution

The fourth proportional to 9,172,841.13, 12,658,528.91 and 5,042,942.57 is: 6,959,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,841.13 : 12,658,528.91 = 5,042,942.57 : x
  2. Step 2: Convert to fraction form
    9,172,841.13/12,658,528.91 = 5,042,942.57/x
  3. Step 3: Cross multiply
    9,172,841.13x = 12,658,528.91 × 5,042,942.57
  4. Step 4: Simplify right side
    9,172,841.13x = 63,836,234,225,307.34
  5. Step 5: Solve for x
    x = 63,836,234,225,307.34/9,172,841.13
  6. Step 6: Final answer
    x = 6,959,265.22

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1.5x scale

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.