Home / 31,031,005.77-42,822,787.32-17,985,831.57

Finding the Fourth Proportional to 31,031,005.77, 42,822,787.32 and 17,985,831.57

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Solution

The fourth proportional to 31,031,005.77, 42,822,787.32 and 17,985,831.57 is: 24,820,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,005.77 : 42,822,787.32 = 17,985,831.57 : x
  2. Step 2: Convert to fraction form
    31,031,005.77/42,822,787.32 = 17,985,831.57/x
  3. Step 3: Cross multiply
    31,031,005.77x = 42,822,787.32 × 17,985,831.57
  4. Step 4: Simplify right side
    31,031,005.77x = 770,203,440,095,451.75
  5. Step 5: Solve for x
    x = 770,203,440,095,451.75/31,031,005.77
  6. Step 6: Final answer
    x = 24,820,447.19

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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.