Home / 15,332,648.86-21,161,346.69-9,832,234.51

Finding the Fourth Proportional to 15,332,648.86, 21,161,346.69 and 9,832,234.51

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Solution

The fourth proportional to 15,332,648.86, 21,161,346.69 and 9,832,234.51 is: 13,569,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,648.86 : 21,161,346.69 = 9,832,234.51 : x
  2. Step 2: Convert to fraction form
    15,332,648.86/21,161,346.69 = 9,832,234.51/x
  3. Step 3: Cross multiply
    15,332,648.86x = 21,161,346.69 × 9,832,234.51
  4. Step 4: Simplify right side
    15,332,648.86x = 208,063,323,266,814.84
  5. Step 5: Solve for x
    x = 208,063,323,266,814.84/15,332,648.86
  6. Step 6: Final answer
    x = 13,569,952.93

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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.