Home / 7,780,467.44-11,671,261.65-2,988,156.71

Finding the Fourth Proportional to 7,780,467.44, 11,671,261.65 and 2,988,156.71

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Solution

The fourth proportional to 7,780,467.44, 11,671,261.65 and 2,988,156.71 is: 4,482,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,467.44 : 11,671,261.65 = 2,988,156.71 : x
  2. Step 2: Convert to fraction form
    7,780,467.44/11,671,261.65 = 2,988,156.71/x
  3. Step 3: Cross multiply
    7,780,467.44x = 11,671,261.65 × 2,988,156.71
  4. Step 4: Simplify right side
    7,780,467.44x = 34,875,558,813,613.17
  5. Step 5: Solve for x
    x = 34,875,558,813,613.17/7,780,467.44
  6. Step 6: Final answer
    x = 4,482,450.33

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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.