Home / 20,602,351.85-30,880,019.47-8,298,440.13

Finding the Fourth Proportional to 20,602,351.85, 30,880,019.47 and 8,298,440.13

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Solution

The fourth proportional to 20,602,351.85, 30,880,019.47 and 8,298,440.13 is: 12,438,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,351.85 : 30,880,019.47 = 8,298,440.13 : x
  2. Step 2: Convert to fraction form
    20,602,351.85/30,880,019.47 = 8,298,440.13/x
  3. Step 3: Cross multiply
    20,602,351.85x = 30,880,019.47 × 8,298,440.13
  4. Step 4: Simplify right side
    20,602,351.85x = 256,255,992,785,029.31
  5. Step 5: Solve for x
    x = 256,255,992,785,029.31/20,602,351.85
  6. Step 6: Final answer
    x = 12,438,191.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.