Home / 8,538,809.40-11,784,666.51-5,277,205.08

Finding the Fourth Proportional to 8,538,809.40, 11,784,666.51 and 5,277,205.08

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Solution

The fourth proportional to 8,538,809.40, 11,784,666.51 and 5,277,205.08 is: 7,283,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,809.40 : 11,784,666.51 = 5,277,205.08 : x
  2. Step 2: Convert to fraction form
    8,538,809.40/11,784,666.51 = 5,277,205.08/x
  3. Step 3: Cross multiply
    8,538,809.40x = 11,784,666.51 × 5,277,205.08
  4. Step 4: Simplify right side
    8,538,809.40x = 62,190,101,972,677.87
  5. Step 5: Solve for x
    x = 62,190,101,972,677.87/8,538,809.40
  6. Step 6: Final answer
    x = 7,283,228.73

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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.