Home / 20,072,041.20-30,108,061.80-6,607,119.60

Finding the Fourth Proportional to 20,072,041.20, 30,108,061.80 and 6,607,119.60

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Solution

The fourth proportional to 20,072,041.20, 30,108,061.80 and 6,607,119.60 is: 9,910,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,041.20 : 30,108,061.80 = 6,607,119.60 : x
  2. Step 2: Convert to fraction form
    20,072,041.20/30,108,061.80 = 6,607,119.60/x
  3. Step 3: Cross multiply
    20,072,041.20x = 30,108,061.80 × 6,607,119.60
  4. Step 4: Simplify right side
    20,072,041.20x = 198,927,565,236,791.28
  5. Step 5: Solve for x
    x = 198,927,565,236,791.28/20,072,041.20
  6. Step 6: Final answer
    x = 9,910,679.40

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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.