Home / 13,579,264.24-18,739,877.31-7,779,166.90

Finding the Fourth Proportional to 13,579,264.24, 18,739,877.31 and 7,779,166.90

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Solution

The fourth proportional to 13,579,264.24, 18,739,877.31 and 7,779,166.90 is: 10,735,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,264.24 : 18,739,877.31 = 7,779,166.90 : x
  2. Step 2: Convert to fraction form
    13,579,264.24/18,739,877.31 = 7,779,166.90/x
  3. Step 3: Cross multiply
    13,579,264.24x = 18,739,877.31 × 7,779,166.90
  4. Step 4: Simplify right side
    13,579,264.24x = 145,780,633,233,163.34
  5. Step 5: Solve for x
    x = 145,780,633,233,163.34/13,579,264.24
  6. Step 6: Final answer
    x = 10,735,532.55

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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.