Home / 31,434,536.79-47,151,807.35-8,715,434.67

Finding the Fourth Proportional to 31,434,536.79, 47,151,807.35 and 8,715,434.67

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Solution

The fourth proportional to 31,434,536.79, 47,151,807.35 and 8,715,434.67 is: 13,073,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,536.79 : 47,151,807.35 = 8,715,434.67 : x
  2. Step 2: Convert to fraction form
    31,434,536.79/47,151,807.35 = 8,715,434.67/x
  3. Step 3: Cross multiply
    31,434,536.79x = 47,151,807.35 × 8,715,434.67
  4. Step 4: Simplify right side
    31,434,536.79x = 410,948,496,487,773.62
  5. Step 5: Solve for x
    x = 410,948,496,487,773.62/31,434,536.79
  6. Step 6: Final answer
    x = 13,073,152.60

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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.