Home / 31,449,831.24-43,402,553.36-18,894,726.16

Finding the Fourth Proportional to 31,449,831.24, 43,402,553.36 and 18,894,726.16

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Solution

The fourth proportional to 31,449,831.24, 43,402,553.36 and 18,894,726.16 is: 26,075,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,831.24 : 43,402,553.36 = 18,894,726.16 : x
  2. Step 2: Convert to fraction form
    31,449,831.24/43,402,553.36 = 18,894,726.16/x
  3. Step 3: Cross multiply
    31,449,831.24x = 43,402,553.36 × 18,894,726.16
  4. Step 4: Simplify right side
    31,449,831.24x = 820,079,360,381,987.88
  5. Step 5: Solve for x
    x = 820,079,360,381,987.88/31,449,831.24
  6. Step 6: Final answer
    x = 26,075,795.26

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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.