Home / 20,031,995.33-30,047,062.13-8,355,547.65

Finding the Fourth Proportional to 20,031,995.33, 30,047,062.13 and 8,355,547.65

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Solution

The fourth proportional to 20,031,995.33, 30,047,062.13 and 8,355,547.65 is: 12,532,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031,995.33 : 30,047,062.13 = 8,355,547.65 : x
  2. Step 2: Convert to fraction form
    20,031,995.33/30,047,062.13 = 8,355,547.65/x
  3. Step 3: Cross multiply
    20,031,995.33x = 30,047,062.13 × 8,355,547.65
  4. Step 4: Simplify right side
    20,031,995.33x = 251,059,659,327,947.78
  5. Step 5: Solve for x
    x = 251,059,659,327,947.78/20,031,995.33
  6. Step 6: Final answer
    x = 12,532,933.20

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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.