Home / 31,492,972.20-47,239,458.30-8,773,869.45

Finding the Fourth Proportional to 31,492,972.20, 47,239,458.30 and 8,773,869.45

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Solution

The fourth proportional to 31,492,972.20, 47,239,458.30 and 8,773,869.45 is: 13,160,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492,972.20 : 47,239,458.30 = 8,773,869.45 : x
  2. Step 2: Convert to fraction form
    31,492,972.20/47,239,458.30 = 8,773,869.45/x
  3. Step 3: Cross multiply
    31,492,972.20x = 47,239,458.30 × 8,773,869.45
  4. Step 4: Simplify right side
    31,492,972.20x = 414,472,840,012,918.88
  5. Step 5: Solve for x
    x = 414,472,840,012,918.88/31,492,972.20
  6. Step 6: Final answer
    x = 13,160,804.18

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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.