Home / 20,176,278.90-30,264,418.35-8,047,614.30

Finding the Fourth Proportional to 20,176,278.90, 30,264,418.35 and 8,047,614.30

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Solution

The fourth proportional to 20,176,278.90, 30,264,418.35 and 8,047,614.30 is: 12,071,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,278.90 : 30,264,418.35 = 8,047,614.30 : x
  2. Step 2: Convert to fraction form
    20,176,278.90/30,264,418.35 = 8,047,614.30/x
  3. Step 3: Cross multiply
    20,176,278.90x = 30,264,418.35 × 8,047,614.30
  4. Step 4: Simplify right side
    20,176,278.90x = 243,556,365,894,642.41
  5. Step 5: Solve for x
    x = 243,556,365,894,642.41/20,176,278.90
  6. Step 6: Final answer
    x = 12,071,421.45

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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.