Home / 30,555,639.18-42,156,451.62-17,323,396.56

Finding the Fourth Proportional to 30,555,639.18, 42,156,451.62 and 17,323,396.56

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Solution

The fourth proportional to 30,555,639.18, 42,156,451.62 and 17,323,396.56 is: 23,900,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555,639.18 : 42,156,451.62 = 17,323,396.56 : x
  2. Step 2: Convert to fraction form
    30,555,639.18/42,156,451.62 = 17,323,396.56/x
  3. Step 3: Cross multiply
    30,555,639.18x = 42,156,451.62 × 17,323,396.56
  4. Step 4: Simplify right side
    30,555,639.18x = 730,292,928,975,714.38
  5. Step 5: Solve for x
    x = 730,292,928,975,714.38/30,555,639.18
  6. Step 6: Final answer
    x = 23,900,430.45

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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.