Home / 13,590,537.68-18,754,945.07-7,478,966.18

Finding the Fourth Proportional to 13,590,537.68, 18,754,945.07 and 7,478,966.18

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Solution

The fourth proportional to 13,590,537.68, 18,754,945.07 and 7,478,966.18 is: 10,320,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,537.68 : 18,754,945.07 = 7,478,966.18 : x
  2. Step 2: Convert to fraction form
    13,590,537.68/18,754,945.07 = 7,478,966.18/x
  3. Step 3: Cross multiply
    13,590,537.68x = 18,754,945.07 × 7,478,966.18
  4. Step 4: Simplify right side
    13,590,537.68x = 140,267,599,895,780.28
  5. Step 5: Solve for x
    x = 140,267,599,895,780.28/13,590,537.68
  6. Step 6: Final answer
    x = 10,320,975.02

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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.