Home / 28,124,425.20-38,813,213.76-15,733,779.48

Finding the Fourth Proportional to 28,124,425.20, 38,813,213.76 and 15,733,779.48

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Solution

The fourth proportional to 28,124,425.20, 38,813,213.76 and 15,733,779.48 is: 21,713,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,425.20 : 38,813,213.76 = 15,733,779.48 : x
  2. Step 2: Convert to fraction form
    28,124,425.20/38,813,213.76 = 15,733,779.48/x
  3. Step 3: Cross multiply
    28,124,425.20x = 38,813,213.76 × 15,733,779.48
  4. Step 4: Simplify right side
    28,124,425.20x = 610,678,546,209,941.62
  5. Step 5: Solve for x
    x = 610,678,546,209,941.62/28,124,425.20
  6. Step 6: Final answer
    x = 21,713,458.74

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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.