Home / 13,806,752.82-20,713,118.74-5,287,089.59

Finding the Fourth Proportional to 13,806,752.82, 20,713,118.74 and 5,287,089.59

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Solution

The fourth proportional to 13,806,752.82, 20,713,118.74 and 5,287,089.59 is: 7,931,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,752.82 : 20,713,118.74 = 5,287,089.59 : x
  2. Step 2: Convert to fraction form
    13,806,752.82/20,713,118.74 = 5,287,089.59/x
  3. Step 3: Cross multiply
    13,806,752.82x = 20,713,118.74 × 5,287,089.59
  4. Step 4: Simplify right side
    13,806,752.82x = 109,512,114,466,687.91
  5. Step 5: Solve for x
    x = 109,512,114,466,687.91/13,806,752.82
  6. Step 6: Final answer
    x = 7,931,779.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.