Home / 48,492,228.80-72,738,343.20-12,590,436.80

Finding the Fourth Proportional to 48,492,228.80, 72,738,343.20 and 12,590,436.80

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Solution

The fourth proportional to 48,492,228.80, 72,738,343.20 and 12,590,436.80 is: 18,885,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492,228.80 : 72,738,343.20 = 12,590,436.80 : x
  2. Step 2: Convert to fraction form
    48,492,228.80/72,738,343.20 = 12,590,436.80/x
  3. Step 3: Cross multiply
    48,492,228.80x = 72,738,343.20 × 12,590,436.80
  4. Step 4: Simplify right side
    48,492,228.80x = 915,807,512,996,309.88
  5. Step 5: Solve for x
    x = 915,807,512,996,309.88/48,492,228.80
  6. Step 6: Final answer
    x = 18,885,655.20

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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.