Home / 20,626,596.27-28,445,191.47-13,549,695.12

Finding the Fourth Proportional to 20,626,596.27, 28,445,191.47 and 13,549,695.12

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Solution

The fourth proportional to 20,626,596.27, 28,445,191.47 and 13,549,695.12 is: 18,685,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,596.27 : 28,445,191.47 = 13,549,695.12 : x
  2. Step 2: Convert to fraction form
    20,626,596.27/28,445,191.47 = 13,549,695.12/x
  3. Step 3: Cross multiply
    20,626,596.27x = 28,445,191.47 × 13,549,695.12
  4. Step 4: Simplify right side
    20,626,596.27x = 385,423,672,048,524.56
  5. Step 5: Solve for x
    x = 385,423,672,048,524.56/20,626,596.27
  6. Step 6: Final answer
    x = 18,685,762.16

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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.