Home / 22,878,678.57-31,582,238.58-15,446,409.15

Finding the Fourth Proportional to 22,878,678.57, 31,582,238.58 and 15,446,409.15

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Solution

The fourth proportional to 22,878,678.57, 31,582,238.58 and 15,446,409.15 is: 21,322,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,878,678.57 : 31,582,238.58 = 15,446,409.15 : x
  2. Step 2: Convert to fraction form
    22,878,678.57/31,582,238.58 = 15,446,409.15/x
  3. Step 3: Cross multiply
    22,878,678.57x = 31,582,238.58 × 15,446,409.15
  4. Step 4: Simplify right side
    22,878,678.57x = 487,832,178,979,595
  5. Step 5: Solve for x
    x = 487,832,178,979,595/22,878,678.57
  6. Step 6: Final answer
    x = 21,322,567.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.