Home / 47,018,620.80-70,527,931.20-12,474,955.80

Finding the Fourth Proportional to 47,018,620.80, 70,527,931.20 and 12,474,955.80

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Solution

The fourth proportional to 47,018,620.80, 70,527,931.20 and 12,474,955.80 is: 18,712,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018,620.80 : 70,527,931.20 = 12,474,955.80 : x
  2. Step 2: Convert to fraction form
    47,018,620.80/70,527,931.20 = 12,474,955.80/x
  3. Step 3: Cross multiply
    47,018,620.80x = 70,527,931.20 × 12,474,955.80
  4. Step 4: Simplify right side
    47,018,620.80x = 879,832,824,385,441
  5. Step 5: Solve for x
    x = 879,832,824,385,441/47,018,620.80
  6. Step 6: Final answer
    x = 18,712,433.70

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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.