Home / 9,885,823.65-13,642,998.79-5,534,871.89

Finding the Fourth Proportional to 9,885,823.65, 13,642,998.79 and 5,534,871.89

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Solution

The fourth proportional to 9,885,823.65, 13,642,998.79 and 5,534,871.89 is: 7,638,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885,823.65 : 13,642,998.79 = 5,534,871.89 : x
  2. Step 2: Convert to fraction form
    9,885,823.65/13,642,998.79 = 5,534,871.89/x
  3. Step 3: Cross multiply
    9,885,823.65x = 13,642,998.79 × 5,534,871.89
  4. Step 4: Simplify right side
    9,885,823.65x = 75,512,250,429,860.02
  5. Step 5: Solve for x
    x = 75,512,250,429,860.02/9,885,823.65
  6. Step 6: Final answer
    x = 7,638,437.94

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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.