Home / 9,642,779.30-13,306,155.89-5,721,859.69

Finding the Fourth Proportional to 9,642,779.30, 13,306,155.89 and 5,721,859.69

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Solution

The fourth proportional to 9,642,779.30, 13,306,155.89 and 5,721,859.69 is: 7,895,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,779.30 : 13,306,155.89 = 5,721,859.69 : x
  2. Step 2: Convert to fraction form
    9,642,779.30/13,306,155.89 = 5,721,859.69/x
  3. Step 3: Cross multiply
    9,642,779.30x = 13,306,155.89 × 5,721,859.69
  4. Step 4: Simplify right side
    9,642,779.30x = 76,135,956,953,972.39
  5. Step 5: Solve for x
    x = 76,135,956,953,972.39/9,642,779.30
  6. Step 6: Final answer
    x = 7,895,644.46

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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.