Home / 8,264,875.21-12,397,437.86-3,147,588.38

Finding the Fourth Proportional to 8,264,875.21, 12,397,437.86 and 3,147,588.38

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Solution

The fourth proportional to 8,264,875.21, 12,397,437.86 and 3,147,588.38 is: 4,721,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,875.21 : 12,397,437.86 = 3,147,588.38 : x
  2. Step 2: Convert to fraction form
    8,264,875.21/12,397,437.86 = 3,147,588.38/x
  3. Step 3: Cross multiply
    8,264,875.21x = 12,397,437.86 × 3,147,588.38
  4. Step 4: Simplify right side
    8,264,875.21x = 39,022,031,349,908.06
  5. Step 5: Solve for x
    x = 39,022,031,349,908.06/8,264,875.21
  6. Step 6: Final answer
    x = 4,721,430.19

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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.