Home / 15,018,130.14-20,724,892.08-8,493,040.14

Finding the Fourth Proportional to 15,018,130.14, 20,724,892.08 and 8,493,040.14

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Solution

The fourth proportional to 15,018,130.14, 20,724,892.08 and 8,493,040.14 is: 11,720,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,130.14 : 20,724,892.08 = 8,493,040.14 : x
  2. Step 2: Convert to fraction form
    15,018,130.14/20,724,892.08 = 8,493,040.14/x
  3. Step 3: Cross multiply
    15,018,130.14x = 20,724,892.08 × 8,493,040.14
  4. Step 4: Simplify right side
    15,018,130.14x = 176,017,340,332,608.09
  5. Step 5: Solve for x
    x = 176,017,340,332,608.09/15,018,130.14
  6. Step 6: Final answer
    x = 11,720,323.28

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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.