Home / 8,745,534.15-12,072,707.09-5,649,567.05

Finding the Fourth Proportional to 8,745,534.15, 12,072,707.09 and 5,649,567.05

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Solution

The fourth proportional to 8,745,534.15, 12,072,707.09 and 5,649,567.05 is: 7,798,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,534.15 : 12,072,707.09 = 5,649,567.05 : x
  2. Step 2: Convert to fraction form
    8,745,534.15/12,072,707.09 = 5,649,567.05/x
  3. Step 3: Cross multiply
    8,745,534.15x = 12,072,707.09 × 5,649,567.05
  4. Step 4: Simplify right side
    8,745,534.15x = 68,205,568,179,965.38
  5. Step 5: Solve for x
    x = 68,205,568,179,965.38/8,745,534.15
  6. Step 6: Final answer
    x = 7,798,902.50

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1.5x scale

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.