Home / 43,428,706.90-65,111,567.55-17,856,553.30

Finding the Fourth Proportional to 43,428,706.90, 65,111,567.55 and 17,856,553.30

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Solution

The fourth proportional to 43,428,706.90, 65,111,567.55 and 17,856,553.30 is: 26,771,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428,706.90 : 65,111,567.55 = 17,856,553.30 : x
  2. Step 2: Convert to fraction form
    43,428,706.90/65,111,567.55 = 17,856,553.30/x
  3. Step 3: Cross multiply
    43,428,706.90x = 65,111,567.55 × 17,856,553.30
  4. Step 4: Simplify right side
    43,428,706.90x = 1,162,668,176,403,125.50
  5. Step 5: Solve for x
    x = 1,162,668,176,403,125.50/43,428,706.90
  6. Step 6: Final answer
    x = 26,771,881.08

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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.