Home / 31,547,454.80-47,286,190.20-12,371,838.80

Finding the Fourth Proportional to 31,547,454.80, 47,286,190.20 and 12,371,838.80

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Solution

The fourth proportional to 31,547,454.80, 47,286,190.20 and 12,371,838.80 is: 18,544,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547,454.80 : 47,286,190.20 = 12,371,838.80 : x
  2. Step 2: Convert to fraction form
    31,547,454.80/47,286,190.20 = 12,371,838.80/x
  3. Step 3: Cross multiply
    31,547,454.80x = 47,286,190.20 × 12,371,838.80
  4. Step 4: Simplify right side
    31,547,454.80x = 585,017,122,620,539.88
  5. Step 5: Solve for x
    x = 585,017,122,620,539.88/31,547,454.80
  6. Step 6: Final answer
    x = 18,544,035.53

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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.