Home / 21,899,590.96-30,221,631.34-12,110,693.78

Finding the Fourth Proportional to 21,899,590.96, 30,221,631.34 and 12,110,693.78

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Solution

The fourth proportional to 21,899,590.96, 30,221,631.34 and 12,110,693.78 is: 16,712,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,590.96 : 30,221,631.34 = 12,110,693.78 : x
  2. Step 2: Convert to fraction form
    21,899,590.96/30,221,631.34 = 12,110,693.78/x
  3. Step 3: Cross multiply
    21,899,590.96x = 30,221,631.34 × 12,110,693.78
  4. Step 4: Simplify right side
    21,899,590.96x = 366,004,922,509,406.19
  5. Step 5: Solve for x
    x = 366,004,922,509,406.19/21,899,590.96
  6. Step 6: Final answer
    x = 16,712,865.70

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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.