Home / 47,018,507.80-70,527,761.70-12,474,842.80

Finding the Fourth Proportional to 47,018,507.80, 70,527,761.70 and 12,474,842.80

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Solution

The fourth proportional to 47,018,507.80, 70,527,761.70 and 12,474,842.80 is: 18,712,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018,507.80 : 70,527,761.70 = 12,474,842.80 : x
  2. Step 2: Convert to fraction form
    47,018,507.80/70,527,761.70 = 12,474,842.80/x
  3. Step 3: Cross multiply
    47,018,507.80x = 70,527,761.70 × 12,474,842.80
  4. Step 4: Simplify right side
    47,018,507.80x = 879,822,740,243,360.88
  5. Step 5: Solve for x
    x = 879,822,740,243,360.88/47,018,507.80
  6. Step 6: Final answer
    x = 18,712,264.20

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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.