Home / 31,999,811.40-47,961,342.90-16,421,619.24

Finding the Fourth Proportional to 31,999,811.40, 47,961,342.90 and 16,421,619.24

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Solution

The fourth proportional to 31,999,811.40, 47,961,342.90 and 16,421,619.24 is: 24,612,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999,811.40 : 47,961,342.90 = 16,421,619.24 : x
  2. Step 2: Convert to fraction form
    31,999,811.40/47,961,342.90 = 16,421,619.24/x
  3. Step 3: Cross multiply
    31,999,811.40x = 47,961,342.90 × 16,421,619.24
  4. Step 4: Simplify right side
    31,999,811.40x = 787,602,911,342,877.38
  5. Step 5: Solve for x
    x = 787,602,911,342,877.38/31,999,811.40
  6. Step 6: Final answer
    x = 24,612,736.04

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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.