Home / 9,145,290.51-12,620,779.25-5,015,493.66

Finding the Fourth Proportional to 9,145,290.51, 12,620,779.25 and 5,015,493.66

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Solution

The fourth proportional to 9,145,290.51, 12,620,779.25 and 5,015,493.66 is: 6,921,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,290.51 : 12,620,779.25 = 5,015,493.66 : x
  2. Step 2: Convert to fraction form
    9,145,290.51/12,620,779.25 = 5,015,493.66/x
  3. Step 3: Cross multiply
    9,145,290.51x = 12,620,779.25 × 5,015,493.66
  4. Step 4: Simplify right side
    9,145,290.51x = 63,299,438,312,634.55
  5. Step 5: Solve for x
    x = 63,299,438,312,634.55/9,145,290.51
  6. Step 6: Final answer
    x = 6,921,533.90

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.