Home / 19,421,121.20-29,143,345.80-8,060,385.20

Finding the Fourth Proportional to 19,421,121.20, 29,143,345.80 and 8,060,385.20

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Solution

The fourth proportional to 19,421,121.20, 29,143,345.80 and 8,060,385.20 is: 12,095,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,121.20 : 29,143,345.80 = 8,060,385.20 : x
  2. Step 2: Convert to fraction form
    19,421,121.20/29,143,345.80 = 8,060,385.20/x
  3. Step 3: Cross multiply
    19,421,121.20x = 29,143,345.80 × 8,060,385.20
  4. Step 4: Simplify right side
    19,421,121.20x = 234,906,593,164,802.16
  5. Step 5: Solve for x
    x = 234,906,593,164,802.16/19,421,121.20
  6. Step 6: Final answer
    x = 12,095,418.73

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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.