Home / 7,780,462.05-11,671,253.59-2,988,151.32

Finding the Fourth Proportional to 7,780,462.05, 11,671,253.59 and 2,988,151.32

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Solution

The fourth proportional to 7,780,462.05, 11,671,253.59 and 2,988,151.32 is: 4,482,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,462.05 : 11,671,253.59 = 2,988,151.32 : x
  2. Step 2: Convert to fraction form
    7,780,462.05/11,671,253.59 = 2,988,151.32/x
  3. Step 3: Cross multiply
    7,780,462.05x = 11,671,253.59 × 2,988,151.32
  4. Step 4: Simplify right side
    7,780,462.05x = 34,875,471,821,013.24
  5. Step 5: Solve for x
    x = 34,875,471,821,013.24/7,780,462.05
  6. Step 6: Final answer
    x = 4,482,442.25

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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.