Home / 28,585,341.55-39,448,020.48-15,532,600.42

Finding the Fourth Proportional to 28,585,341.55, 39,448,020.48 and 15,532,600.42

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Solution

The fourth proportional to 28,585,341.55, 39,448,020.48 and 15,532,600.42 is: 21,435,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,341.55 : 39,448,020.48 = 15,532,600.42 : x
  2. Step 2: Convert to fraction form
    28,585,341.55/39,448,020.48 = 15,532,600.42/x
  3. Step 3: Cross multiply
    28,585,341.55x = 39,448,020.48 × 15,532,600.42
  4. Step 4: Simplify right side
    28,585,341.55x = 612,730,339,475,816.50
  5. Step 5: Solve for x
    x = 612,730,339,475,816.50/28,585,341.55
  6. Step 6: Final answer
    x = 21,435,123.96

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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.