Home / 15,688,754.88-21,651,406.56-11,814,440.64

Finding the Fourth Proportional to 15,688,754.88, 21,651,406.56 and 11,814,440.64

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Solution

The fourth proportional to 15,688,754.88, 21,651,406.56 and 11,814,440.64 is: 16,304,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688,754.88 : 21,651,406.56 = 11,814,440.64 : x
  2. Step 2: Convert to fraction form
    15,688,754.88/21,651,406.56 = 11,814,440.64/x
  3. Step 3: Cross multiply
    15,688,754.88x = 21,651,406.56 × 11,814,440.64
  4. Step 4: Simplify right side
    15,688,754.88x = 255,799,257,575,626.59
  5. Step 5: Solve for x
    x = 255,799,257,575,626.59/15,688,754.88
  6. Step 6: Final answer
    x = 16,304,624.52

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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.