Home / 19,230,666.30-28,845,999.45-5,583,786.30

Finding the Fourth Proportional to 19,230,666.30, 28,845,999.45 and 5,583,786.30

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Solution

The fourth proportional to 19,230,666.30, 28,845,999.45 and 5,583,786.30 is: 8,375,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230,666.30 : 28,845,999.45 = 5,583,786.30 : x
  2. Step 2: Convert to fraction form
    19,230,666.30/28,845,999.45 = 5,583,786.30/x
  3. Step 3: Cross multiply
    19,230,666.30x = 28,845,999.45 × 5,583,786.30
  4. Step 4: Simplify right side
    19,230,666.30x = 161,069,896,538,717.53
  5. Step 5: Solve for x
    x = 161,069,896,538,717.53/19,230,666.30
  6. Step 6: Final answer
    x = 8,375,679.45

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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.