Home / 12,445,824.64-17,175,136.32-6,939,134.08

Finding the Fourth Proportional to 12,445,824.64, 17,175,136.32 and 6,939,134.08

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Solution

The fourth proportional to 12,445,824.64, 17,175,136.32 and 6,939,134.08 is: 9,575,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,824.64 : 17,175,136.32 = 6,939,134.08 : x
  2. Step 2: Convert to fraction form
    12,445,824.64/17,175,136.32 = 6,939,134.08/x
  3. Step 3: Cross multiply
    12,445,824.64x = 17,175,136.32 × 6,939,134.08
  4. Step 4: Simplify right side
    12,445,824.64x = 119,180,573,766,757.78
  5. Step 5: Solve for x
    x = 119,180,573,766,757.78/12,445,824.64
  6. Step 6: Final answer
    x = 9,575,948.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.