Home / 15,768,885.24-21,761,065.77-8,704,482.66

Finding the Fourth Proportional to 15,768,885.24, 21,761,065.77 and 8,704,482.66

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Solution

The fourth proportional to 15,768,885.24, 21,761,065.77 and 8,704,482.66 is: 12,012,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,885.24 : 21,761,065.77 = 8,704,482.66 : x
  2. Step 2: Convert to fraction form
    15,768,885.24/21,761,065.77 = 8,704,482.66/x
  3. Step 3: Cross multiply
    15,768,885.24x = 21,761,065.77 × 8,704,482.66
  4. Step 4: Simplify right side
    15,768,885.24x = 189,418,819,658,084.56
  5. Step 5: Solve for x
    x = 189,418,819,658,084.56/15,768,885.24
  6. Step 6: Final answer
    x = 12,012,188.36

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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.