Home / 20,188,108.40-30,282,162.60-7,406,952.35

Finding the Fourth Proportional to 20,188,108.40, 30,282,162.60 and 7,406,952.35

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Solution

The fourth proportional to 20,188,108.40, 30,282,162.60 and 7,406,952.35 is: 11,110,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,108.40 : 30,282,162.60 = 7,406,952.35 : x
  2. Step 2: Convert to fraction form
    20,188,108.40/30,282,162.60 = 7,406,952.35/x
  3. Step 3: Cross multiply
    20,188,108.40x = 30,282,162.60 × 7,406,952.35
  4. Step 4: Simplify right side
    20,188,108.40x = 224,298,535,433,152.12
  5. Step 5: Solve for x
    x = 224,298,535,433,152.12/20,188,108.40
  6. Step 6: Final answer
    x = 11,110,428.53

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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.