Home / 11,780,603.40-17,646,021.90-9,789,947.40

Finding the Fourth Proportional to 11,780,603.40, 17,646,021.90 and 9,789,947.40

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Solution

The fourth proportional to 11,780,603.40, 17,646,021.90 and 9,789,947.40 is: 14,664,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,603.40 : 17,646,021.90 = 9,789,947.40 : x
  2. Step 2: Convert to fraction form
    11,780,603.40/17,646,021.90 = 9,789,947.40/x
  3. Step 3: Cross multiply
    11,780,603.40x = 17,646,021.90 × 9,789,947.40
  4. Step 4: Simplify right side
    11,780,603.40x = 172,753,626,220,248.06
  5. Step 5: Solve for x
    x = 172,753,626,220,248.06/11,780,603.40
  6. Step 6: Final answer
    x = 14,664,242.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.