Home / 15,853,061.76-21,877,763.77-15,126,648.35

Finding the Fourth Proportional to 15,853,061.76, 21,877,763.77 and 15,126,648.35

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Solution

The fourth proportional to 15,853,061.76, 21,877,763.77 and 15,126,648.35 is: 20,875,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,061.76 : 21,877,763.77 = 15,126,648.35 : x
  2. Step 2: Convert to fraction form
    15,853,061.76/21,877,763.77 = 15,126,648.35/x
  3. Step 3: Cross multiply
    15,853,061.76x = 21,877,763.77 × 15,126,648.35
  4. Step 4: Simplify right side
    15,853,061.76x = 330,937,239,185,215.94
  5. Step 5: Solve for x
    x = 330,937,239,185,215.94/15,853,061.76
  6. Step 6: Final answer
    x = 20,875,288.58

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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.