Home / 31,374,624.90-47,061,937.35-8,655,485.70

Finding the Fourth Proportional to 31,374,624.90, 47,061,937.35 and 8,655,485.70

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Solution

The fourth proportional to 31,374,624.90, 47,061,937.35 and 8,655,485.70 is: 12,983,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374,624.90 : 47,061,937.35 = 8,655,485.70 : x
  2. Step 2: Convert to fraction form
    31,374,624.90/47,061,937.35 = 8,655,485.70/x
  3. Step 3: Cross multiply
    31,374,624.90x = 47,061,937.35 × 8,655,485.70
  4. Step 4: Simplify right side
    31,374,624.90x = 407,343,925,747,220.88
  5. Step 5: Solve for x
    x = 407,343,925,747,220.88/31,374,624.90
  6. Step 6: Final answer
    x = 12,983,228.55

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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.