Home / 20,403,234.10-30,604,851.15-15,779,697.40

Finding the Fourth Proportional to 20,403,234.10, 30,604,851.15 and 15,779,697.40

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Solution

The fourth proportional to 20,403,234.10, 30,604,851.15 and 15,779,697.40 is: 23,669,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,234.10 : 30,604,851.15 = 15,779,697.40 : x
  2. Step 2: Convert to fraction form
    20,403,234.10/30,604,851.15 = 15,779,697.40/x
  3. Step 3: Cross multiply
    20,403,234.10x = 30,604,851.15 × 15,779,697.40
  4. Step 4: Simplify right side
    20,403,234.10x = 482,935,290,119,042
  5. Step 5: Solve for x
    x = 482,935,290,119,042/20,403,234.10
  6. Step 6: Final answer
    x = 23,669,546.10

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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.