Home / 15,668,581.12-21,607,615.11-10,081,124.85

Finding the Fourth Proportional to 15,668,581.12, 21,607,615.11 and 10,081,124.85

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Solution

The fourth proportional to 15,668,581.12, 21,607,615.11 and 10,081,124.85 is: 13,902,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668,581.12 : 21,607,615.11 = 10,081,124.85 : x
  2. Step 2: Convert to fraction form
    15,668,581.12/21,607,615.11 = 10,081,124.85/x
  3. Step 3: Cross multiply
    15,668,581.12x = 21,607,615.11 × 10,081,124.85
  4. Step 4: Simplify right side
    15,668,581.12x = 217,829,065,596,852.25
  5. Step 5: Solve for x
    x = 217,829,065,596,852.25/15,668,581.12
  6. Step 6: Final answer
    x = 13,902,284.07

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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.