Home / 20,409,766.34-28,165,479.08-11,242,409.10

Finding the Fourth Proportional to 20,409,766.34, 28,165,479.08 and 11,242,409.10

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Solution

The fourth proportional to 20,409,766.34, 28,165,479.08 and 11,242,409.10 is: 15,514,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,766.34 : 28,165,479.08 = 11,242,409.10 : x
  2. Step 2: Convert to fraction form
    20,409,766.34/28,165,479.08 = 11,242,409.10/x
  3. Step 3: Cross multiply
    20,409,766.34x = 28,165,479.08 × 11,242,409.10
  4. Step 4: Simplify right side
    20,409,766.34x = 316,647,838,314,851.62
  5. Step 5: Solve for x
    x = 316,647,838,314,851.62/20,409,766.34
  6. Step 6: Final answer
    x = 15,514,525.40

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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.