Home / 31,374,925.56-47,065,099.50-8,655,822.72

Finding the Fourth Proportional to 31,374,925.56, 47,065,099.50 and 8,655,822.72

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Solution

The fourth proportional to 31,374,925.56, 47,065,099.50 and 8,655,822.72 is: 12,984,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374,925.56 : 47,065,099.50 = 8,655,822.72 : x
  2. Step 2: Convert to fraction form
    31,374,925.56/47,065,099.50 = 8,655,822.72/x
  3. Step 3: Cross multiply
    31,374,925.56x = 47,065,099.50 × 8,655,822.72
  4. Step 4: Simplify right side
    31,374,925.56x = 407,387,157,571,160.69
  5. Step 5: Solve for x
    x = 407,387,157,571,160.69/31,374,925.56
  6. Step 6: Final answer
    x = 12,984,482.04

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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.