Home / 15,196,695.57-20,971,448.61-8,227,374.93

Finding the Fourth Proportional to 15,196,695.57, 20,971,448.61 and 8,227,374.93

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Solution

The fourth proportional to 15,196,695.57, 20,971,448.61 and 8,227,374.93 is: 11,353,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,695.57 : 20,971,448.61 = 8,227,374.93 : x
  2. Step 2: Convert to fraction form
    15,196,695.57/20,971,448.61 = 8,227,374.93/x
  3. Step 3: Cross multiply
    15,196,695.57x = 20,971,448.61 × 8,227,374.93
  4. Step 4: Simplify right side
    15,196,695.57x = 172,539,970,393,703.22
  5. Step 5: Solve for x
    x = 172,539,970,393,703.22/15,196,695.57
  6. Step 6: Final answer
    x = 11,353,782.12

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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.