Home / 20,357,112-30,535,648.56-5,211,019.20

Finding the Fourth Proportional to 20,357,112, 30,535,648.56 and 5,211,019.20

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Solution

The fourth proportional to 20,357,112, 30,535,648.56 and 5,211,019.20 is: 7,816,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,112 : 30,535,648.56 = 5,211,019.20 : x
  2. Step 2: Convert to fraction form
    20,357,112/30,535,648.56 = 5,211,019.20/x
  3. Step 3: Cross multiply
    20,357,112x = 30,535,648.56 × 5,211,019.20
  4. Step 4: Simplify right side
    20,357,112x = 159,121,850,930,612.34
  5. Step 5: Solve for x
    x = 159,121,850,930,612.34/20,357,112
  6. Step 6: Final answer
    x = 7,816,523.82

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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.