Home / 13,070,531.55-18,037,565.28-7,269,315.60

Finding the Fourth Proportional to 13,070,531.55, 18,037,565.28 and 7,269,315.60

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Solution

The fourth proportional to 13,070,531.55, 18,037,565.28 and 7,269,315.60 is: 10,031,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,531.55 : 18,037,565.28 = 7,269,315.60 : x
  2. Step 2: Convert to fraction form
    13,070,531.55/18,037,565.28 = 7,269,315.60/x
  3. Step 3: Cross multiply
    13,070,531.55x = 18,037,565.28 × 7,269,315.60
  4. Step 4: Simplify right side
    13,070,531.55x = 131,120,754,675,922.38
  5. Step 5: Solve for x
    x = 131,120,754,675,922.38/13,070,531.55
  6. Step 6: Final answer
    x = 10,031,784.41

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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.