Home / 15,118,197.39-20,862,511.38-8,925,239.03

Finding the Fourth Proportional to 15,118,197.39, 20,862,511.38 and 8,925,239.03

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Solution

The fourth proportional to 15,118,197.39, 20,862,511.38 and 8,925,239.03 is: 12,316,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,197.39 : 20,862,511.38 = 8,925,239.03 : x
  2. Step 2: Convert to fraction form
    15,118,197.39/20,862,511.38 = 8,925,239.03/x
  3. Step 3: Cross multiply
    15,118,197.39x = 20,862,511.38 × 8,925,239.03
  4. Step 4: Simplify right side
    15,118,197.39x = 186,202,900,728,282.59
  5. Step 5: Solve for x
    x = 186,202,900,728,282.59/15,118,197.39
  6. Step 6: Final answer
    x = 12,316,475.04

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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.