Home / 7,072,645.11-10,609,041.78-5,661,670.47

Finding the Fourth Proportional to 7,072,645.11, 10,609,041.78 and 5,661,670.47

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Solution

The fourth proportional to 7,072,645.11, 10,609,041.78 and 5,661,670.47 is: 8,492,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,645.11 : 10,609,041.78 = 5,661,670.47 : x
  2. Step 2: Convert to fraction form
    7,072,645.11/10,609,041.78 = 5,661,670.47/x
  3. Step 3: Cross multiply
    7,072,645.11x = 10,609,041.78 × 5,661,670.47
  4. Step 4: Simplify right side
    7,072,645.11x = 60,064,898,560,822.23
  5. Step 5: Solve for x
    x = 60,064,898,560,822.23/7,072,645.11
  6. Step 6: Final answer
    x = 8,492,565.03

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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.