Home / 25,533,915.12-38,298,034.53-9,138,537.45

Finding the Fourth Proportional to 25,533,915.12, 38,298,034.53 and 9,138,537.45

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Solution

The fourth proportional to 25,533,915.12, 38,298,034.53 and 9,138,537.45 is: 13,706,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533,915.12 : 38,298,034.53 = 9,138,537.45 : x
  2. Step 2: Convert to fraction form
    25,533,915.12/38,298,034.53 = 9,138,537.45/x
  3. Step 3: Cross multiply
    25,533,915.12x = 38,298,034.53 × 9,138,537.45
  4. Step 4: Simplify right side
    25,533,915.12x = 349,988,022,813,798.12
  5. Step 5: Solve for x
    x = 349,988,022,813,798.12/25,533,915.12
  6. Step 6: Final answer
    x = 13,706,790.41

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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.