Home / 48,492,084.80-72,738,127.20-12,590,292.80

Finding the Fourth Proportional to 48,492,084.80, 72,738,127.20 and 12,590,292.80

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Solution

The fourth proportional to 48,492,084.80, 72,738,127.20 and 12,590,292.80 is: 18,885,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,084.80 : 72,738,127.20 = 12,590,292.80 : x
  2. Step 2: Convert to fraction form
    48,492,084.80/72,738,127.20 = 12,590,292.80/x
  3. Step 3: Cross multiply
    48,492,084.80x = 72,738,127.20 × 12,590,292.80
  4. Step 4: Simplify right side
    48,492,084.80x = 915,794,319,171,644.25
  5. Step 5: Solve for x
    x = 915,794,319,171,644.25/48,492,084.80
  6. Step 6: Final answer
    x = 18,885,439.20

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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.