Home / 15,613,476.66-23,398,728.98-13,295,978.72

Finding the Fourth Proportional to 15,613,476.66, 23,398,728.98 and 13,295,978.72

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Solution

The fourth proportional to 15,613,476.66, 23,398,728.98 and 13,295,978.72 is: 19,925,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,476.66 : 23,398,728.98 = 13,295,978.72 : x
  2. Step 2: Convert to fraction form
    15,613,476.66/23,398,728.98 = 13,295,978.72/x
  3. Step 3: Cross multiply
    15,613,476.66x = 23,398,728.98 × 13,295,978.72
  4. Step 4: Simplify right side
    15,613,476.66x = 311,109,002,593,127.31
  5. Step 5: Solve for x
    x = 311,109,002,593,127.31/15,613,476.66
  6. Step 6: Final answer
    x = 19,925,671.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.