Home / 31,993,681.20-47,990,521.80-8,059,153.20

Finding the Fourth Proportional to 31,993,681.20, 47,990,521.80 and 8,059,153.20

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Solution

The fourth proportional to 31,993,681.20, 47,990,521.80 and 8,059,153.20 is: 12,088,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993,681.20 : 47,990,521.80 = 8,059,153.20 : x
  2. Step 2: Convert to fraction form
    31,993,681.20/47,990,521.80 = 8,059,153.20/x
  3. Step 3: Cross multiply
    31,993,681.20x = 47,990,521.80 × 8,059,153.20
  4. Step 4: Simplify right side
    31,993,681.20x = 386,762,967,334,139.75
  5. Step 5: Solve for x
    x = 386,762,967,334,139.75/31,993,681.20
  6. Step 6: Final answer
    x = 12,088,729.80

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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.