Home / 15,359,230.05-21,195,809.73-8,390,004.27

Finding the Fourth Proportional to 15,359,230.05, 21,195,809.73 and 8,390,004.27

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Solution

The fourth proportional to 15,359,230.05, 21,195,809.73 and 8,390,004.27 is: 11,578,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,230.05 : 21,195,809.73 = 8,390,004.27 : x
  2. Step 2: Convert to fraction form
    15,359,230.05/21,195,809.73 = 8,390,004.27/x
  3. Step 3: Cross multiply
    15,359,230.05x = 21,195,809.73 × 8,390,004.27
  4. Step 4: Simplify right side
    15,359,230.05x = 177,832,934,140,807.53
  5. Step 5: Solve for x
    x = 177,832,934,140,807.53/15,359,230.05
  6. Step 6: Final answer
    x = 11,578,245.37

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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.