Home / 31,030,946.88-42,822,706.38-17,985,772.56

Finding the Fourth Proportional to 31,030,946.88, 42,822,706.38 and 17,985,772.56

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Solution

The fourth proportional to 31,030,946.88, 42,822,706.38 and 17,985,772.56 is: 24,820,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,946.88 : 42,822,706.38 = 17,985,772.56 : x
  2. Step 2: Convert to fraction form
    31,030,946.88/42,822,706.38 = 17,985,772.56/x
  3. Step 3: Cross multiply
    31,030,946.88x = 42,822,706.38 × 17,985,772.56
  4. Step 4: Simplify right side
    31,030,946.88x = 770,199,457,354,340.88
  5. Step 5: Solve for x
    x = 770,199,457,354,340.88/31,030,946.88
  6. Step 6: Final answer
    x = 24,820,365.95

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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.