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Finding the Fourth Proportional to 43,771,689.04, 65,664,668.76 and 13,479,552.04

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Solution

The fourth proportional to 43,771,689.04, 65,664,668.76 and 13,479,552.04 is: 20,221,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771,689.04 : 65,664,668.76 = 13,479,552.04 : x
  2. Step 2: Convert to fraction form
    43,771,689.04/65,664,668.76 = 13,479,552.04/x
  3. Step 3: Cross multiply
    43,771,689.04x = 65,664,668.76 × 13,479,552.04
  4. Step 4: Simplify right side
    43,771,689.04x = 885,130,319,739,782.12
  5. Step 5: Solve for x
    x = 885,130,319,739,782.12/43,771,689.04
  6. Step 6: Final answer
    x = 20,221,525.35

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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.