Home / 31,432,149.49-47,148,237.31-14,140,152.69

Finding the Fourth Proportional to 31,432,149.49, 47,148,237.31 and 14,140,152.69

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Solution

The fourth proportional to 31,432,149.49, 47,148,237.31 and 14,140,152.69 is: 21,210,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,149.49 : 47,148,237.31 = 14,140,152.69 : x
  2. Step 2: Convert to fraction form
    31,432,149.49/47,148,237.31 = 14,140,152.69/x
  3. Step 3: Cross multiply
    31,432,149.49x = 47,148,237.31 × 14,140,152.69
  4. Step 4: Simplify right side
    31,432,149.49x = 666,683,274,627,754.88
  5. Step 5: Solve for x
    x = 666,683,274,627,754.88/31,432,149.49
  6. Step 6: Final answer
    x = 21,210,234.92

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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.