Home / 13,373,845.40-18,456,121.32-7,572,472.04

Finding the Fourth Proportional to 13,373,845.40, 18,456,121.32 and 7,572,472.04

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Solution

The fourth proportional to 13,373,845.40, 18,456,121.32 and 7,572,472.04 is: 10,450,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373,845.40 : 18,456,121.32 = 7,572,472.04 : x
  2. Step 2: Convert to fraction form
    13,373,845.40/18,456,121.32 = 7,572,472.04/x
  3. Step 3: Cross multiply
    13,373,845.40x = 18,456,121.32 × 7,572,472.04
  4. Step 4: Simplify right side
    13,373,845.40x = 139,758,462,662,547.89
  5. Step 5: Solve for x
    x = 139,758,462,662,547.89/13,373,845.40
  6. Step 6: Final answer
    x = 10,450,132.96

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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.