Home / 31,577,278.16-43,577,493-19,183,154.96

Finding the Fourth Proportional to 31,577,278.16, 43,577,493 and 19,183,154.96

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Solution

The fourth proportional to 31,577,278.16, 43,577,493 and 19,183,154.96 is: 26,473,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577,278.16 : 43,577,493 = 19,183,154.96 : x
  2. Step 2: Convert to fraction form
    31,577,278.16/43,577,493 = 19,183,154.96/x
  3. Step 3: Cross multiply
    31,577,278.16x = 43,577,493 × 19,183,154.96
  4. Step 4: Simplify right side
    31,577,278.16x = 835,953,800,987,315.38
  5. Step 5: Solve for x
    x = 835,953,800,987,315.38/31,577,278.16
  6. Step 6: Final answer
    x = 26,473,269.70

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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.