Home / 15,769,205.20-21,761,462.22-8,799,809.63

Finding the Fourth Proportional to 15,769,205.20, 21,761,462.22 and 8,799,809.63

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Solution

The fourth proportional to 15,769,205.20, 21,761,462.22 and 8,799,809.63 is: 12,143,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,205.20 : 21,761,462.22 = 8,799,809.63 : x
  2. Step 2: Convert to fraction form
    15,769,205.20/21,761,462.22 = 8,799,809.63/x
  3. Step 3: Cross multiply
    15,769,205.20x = 21,761,462.22 × 8,799,809.63
  4. Step 4: Simplify right side
    15,769,205.20x = 191,496,724,806,437.19
  5. Step 5: Solve for x
    x = 191,496,724,806,437.19/15,769,205.20
  6. Step 6: Final answer
    x = 12,143,714.43

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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.