Home / 31,746,384.18-43,819,333.65-20,734,817.22

Finding the Fourth Proportional to 31,746,384.18, 43,819,333.65 and 20,734,817.22

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Solution

The fourth proportional to 31,746,384.18, 43,819,333.65 and 20,734,817.22 is: 28,620,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746,384.18 : 43,819,333.65 = 20,734,817.22 : x
  2. Step 2: Convert to fraction form
    31,746,384.18/43,819,333.65 = 20,734,817.22/x
  3. Step 3: Cross multiply
    31,746,384.18x = 43,819,333.65 × 20,734,817.22
  4. Step 4: Simplify right side
    31,746,384.18x = 908,585,873,934,945.38
  5. Step 5: Solve for x
    x = 908,585,873,934,945.38/31,746,384.18
  6. Step 6: Final answer
    x = 28,620,137.30

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1.5x scale

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.