Home / 13,338,796.32-18,407,543.76-7,227,225

Finding the Fourth Proportional to 13,338,796.32, 18,407,543.76 and 7,227,225

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Solution

The fourth proportional to 13,338,796.32, 18,407,543.76 and 7,227,225 is: 9,973,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,796.32 : 18,407,543.76 = 7,227,225 : x
  2. Step 2: Convert to fraction form
    13,338,796.32/18,407,543.76 = 7,227,225/x
  3. Step 3: Cross multiply
    13,338,796.32x = 18,407,543.76 × 7,227,225
  4. Step 4: Simplify right side
    13,338,796.32x = 133,035,460,450,866.02
  5. Step 5: Solve for x
    x = 133,035,460,450,866.02/13,338,796.32
  6. Step 6: Final answer
    x = 9,973,573.12

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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.