Home / 48,291,880.80-72,437,821.20-12,390,088.80

Finding the Fourth Proportional to 48,291,880.80, 72,437,821.20 and 12,390,088.80

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Solution

The fourth proportional to 48,291,880.80, 72,437,821.20 and 12,390,088.80 is: 18,585,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291,880.80 : 72,437,821.20 = 12,390,088.80 : x
  2. Step 2: Convert to fraction form
    48,291,880.80/72,437,821.20 = 12,390,088.80/x
  3. Step 3: Cross multiply
    48,291,880.80x = 72,437,821.20 × 12,390,088.80
  4. Step 4: Simplify right side
    48,291,880.80x = 897,511,037,146,522.62
  5. Step 5: Solve for x
    x = 897,511,037,146,522.62/48,291,880.80
  6. Step 6: Final answer
    x = 18,585,133.20

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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.