Home / 28,979,013.48-43,468,077.42-7,413,433.08

Finding the Fourth Proportional to 28,979,013.48, 43,468,077.42 and 7,413,433.08

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Solution

The fourth proportional to 28,979,013.48, 43,468,077.42 and 7,413,433.08 is: 11,120,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,013.48 : 43,468,077.42 = 7,413,433.08 : x
  2. Step 2: Convert to fraction form
    28,979,013.48/43,468,077.42 = 7,413,433.08/x
  3. Step 3: Cross multiply
    28,979,013.48x = 43,468,077.42 × 7,413,433.08
  4. Step 4: Simplify right side
    28,979,013.48x = 322,247,683,069,429.06
  5. Step 5: Solve for x
    x = 322,247,683,069,429.06/28,979,013.48
  6. Step 6: Final answer
    x = 11,120,036.34

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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.