Home / 31,938,385.32-47,907,961.92-8,907,918

Finding the Fourth Proportional to 31,938,385.32, 47,907,961.92 and 8,907,918

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Solution

The fourth proportional to 31,938,385.32, 47,907,961.92 and 8,907,918 is: 13,361,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,385.32 : 47,907,961.92 = 8,907,918 : x
  2. Step 2: Convert to fraction form
    31,938,385.32/47,907,961.92 = 8,907,918/x
  3. Step 3: Cross multiply
    31,938,385.32x = 47,907,961.92 × 8,907,918
  4. Step 4: Simplify right side
    31,938,385.32x = 426,760,196,330,482.56
  5. Step 5: Solve for x
    x = 426,760,196,330,482.56/31,938,385.32
  6. Step 6: Final answer
    x = 13,361,984.08

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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.