Home / 7,780,475.51-11,671,273.82-2,988,164.78

Finding the Fourth Proportional to 7,780,475.51, 11,671,273.82 and 2,988,164.78

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Solution

The fourth proportional to 7,780,475.51, 11,671,273.82 and 2,988,164.78 is: 4,482,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,475.51 : 11,671,273.82 = 2,988,164.78 : x
  2. Step 2: Convert to fraction form
    7,780,475.51/11,671,273.82 = 2,988,164.78/x
  3. Step 3: Cross multiply
    7,780,475.51x = 11,671,273.82 × 2,988,164.78
  4. Step 4: Simplify right side
    7,780,475.51x = 34,875,689,366,660.06
  5. Step 5: Solve for x
    x = 34,875,689,366,660.06/7,780,475.51
  6. Step 6: Final answer
    x = 4,482,462.46

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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.