Home / 27,898,429.72-38,500,291.46-15,340,011.32

Finding the Fourth Proportional to 27,898,429.72, 38,500,291.46 and 15,340,011.32

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Solution

The fourth proportional to 27,898,429.72, 38,500,291.46 and 15,340,011.32 is: 21,169,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898,429.72 : 38,500,291.46 = 15,340,011.32 : x
  2. Step 2: Convert to fraction form
    27,898,429.72/38,500,291.46 = 15,340,011.32/x
  3. Step 3: Cross multiply
    27,898,429.72x = 38,500,291.46 × 15,340,011.32
  4. Step 4: Simplify right side
    27,898,429.72x = 590,594,906,819,699.38
  5. Step 5: Solve for x
    x = 590,594,906,819,699.38/27,898,429.72
  6. Step 6: Final answer
    x = 21,169,467.70

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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.