Home / 30,581,570.43-42,193,067.13-17,348,569.20

Finding the Fourth Proportional to 30,581,570.43, 42,193,067.13 and 17,348,569.20

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Solution

The fourth proportional to 30,581,570.43, 42,193,067.13 and 17,348,569.20 is: 23,935,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,570.43 : 42,193,067.13 = 17,348,569.20 : x
  2. Step 2: Convert to fraction form
    30,581,570.43/42,193,067.13 = 17,348,569.20/x
  3. Step 3: Cross multiply
    30,581,570.43x = 42,193,067.13 × 17,348,569.20
  4. Step 4: Simplify right side
    30,581,570.43x = 731,989,344,865,050.38
  5. Step 5: Solve for x
    x = 731,989,344,865,050.38/30,581,570.43
  6. Step 6: Final answer
    x = 23,935,636.22

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Double scale
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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.