Home / 15,136,466.40-20,888,381.52-8,261,100

Finding the Fourth Proportional to 15,136,466.40, 20,888,381.52 and 8,261,100

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Solution

The fourth proportional to 15,136,466.40, 20,888,381.52 and 8,261,100 is: 11,400,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,466.40 : 20,888,381.52 = 8,261,100 : x
  2. Step 2: Convert to fraction form
    15,136,466.40/20,888,381.52 = 8,261,100/x
  3. Step 3: Cross multiply
    15,136,466.40x = 20,888,381.52 × 8,261,100
  4. Step 4: Simplify right side
    15,136,466.40x = 172,561,008,574,872
  5. Step 5: Solve for x
    x = 172,561,008,574,872/15,136,466.40
  6. Step 6: Final answer
    x = 11,400,349.59

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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.