Home / 20,226,486.40-30,339,729.60-8,101,758.40

Finding the Fourth Proportional to 20,226,486.40, 30,339,729.60 and 8,101,758.40

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Solution

The fourth proportional to 20,226,486.40, 30,339,729.60 and 8,101,758.40 is: 12,152,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,486.40 : 30,339,729.60 = 8,101,758.40 : x
  2. Step 2: Convert to fraction form
    20,226,486.40/30,339,729.60 = 8,101,758.40/x
  3. Step 3: Cross multiply
    20,226,486.40x = 30,339,729.60 × 8,101,758.40
  4. Step 4: Simplify right side
    20,226,486.40x = 245,805,159,140,528.66
  5. Step 5: Solve for x
    x = 245,805,159,140,528.66/20,226,486.40
  6. Step 6: Final answer
    x = 12,152,637.60

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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.