Home / 20,779,126.08-31,175,416.88-9,995,023.64

Finding the Fourth Proportional to 20,779,126.08, 31,175,416.88 and 9,995,023.64

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Solution

The fourth proportional to 20,779,126.08, 31,175,416.88 and 9,995,023.64 is: 14,995,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,126.08 : 31,175,416.88 = 9,995,023.64 : x
  2. Step 2: Convert to fraction form
    20,779,126.08/31,175,416.88 = 9,995,023.64/x
  3. Step 3: Cross multiply
    20,779,126.08x = 31,175,416.88 × 9,995,023.64
  4. Step 4: Simplify right side
    20,779,126.08x = 311,599,028,702,455.06
  5. Step 5: Solve for x
    x = 311,599,028,702,455.06/20,779,126.08
  6. Step 6: Final answer
    x = 14,995,771.60

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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.