Home / 31,577,275.16-43,577,488.86-19,183,151.96

Finding the Fourth Proportional to 31,577,275.16, 43,577,488.86 and 19,183,151.96

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Solution

The fourth proportional to 31,577,275.16, 43,577,488.86 and 19,183,151.96 is: 26,473,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577,275.16 : 43,577,488.86 = 19,183,151.96 : x
  2. Step 2: Convert to fraction form
    31,577,275.16/43,577,488.86 = 19,183,151.96/x
  3. Step 3: Cross multiply
    31,577,275.16x = 43,577,488.86 × 19,183,151.96
  4. Step 4: Simplify right side
    31,577,275.16x = 835,953,590,836,587.25
  5. Step 5: Solve for x
    x = 835,953,590,836,587.25/31,577,275.16
  6. Step 6: Final answer
    x = 26,473,265.56

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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.