Home / 15,255,429.18-21,052,646.91-8,286,242.46

Finding the Fourth Proportional to 15,255,429.18, 21,052,646.91 and 8,286,242.46

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Solution

The fourth proportional to 15,255,429.18, 21,052,646.91 and 8,286,242.46 is: 11,435,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255,429.18 : 21,052,646.91 = 8,286,242.46 : x
  2. Step 2: Convert to fraction form
    15,255,429.18/21,052,646.91 = 8,286,242.46/x
  3. Step 3: Cross multiply
    15,255,429.18x = 21,052,646.91 × 8,286,242.46
  4. Step 4: Simplify right side
    15,255,429.18x = 174,447,336,721,029.81
  5. Step 5: Solve for x
    x = 174,447,336,721,029.81/15,255,429.18
  6. Step 6: Final answer
    x = 11,435,098.59

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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.