Home / 21,177,292.32-29,224,663.79-12,009,935.07

Finding the Fourth Proportional to 21,177,292.32, 29,224,663.79 and 12,009,935.07

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Solution

The fourth proportional to 21,177,292.32, 29,224,663.79 and 12,009,935.07 is: 16,573,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177,292.32 : 29,224,663.79 = 12,009,935.07 : x
  2. Step 2: Convert to fraction form
    21,177,292.32/29,224,663.79 = 12,009,935.07/x
  3. Step 3: Cross multiply
    21,177,292.32x = 29,224,663.79 × 12,009,935.07
  4. Step 4: Simplify right side
    21,177,292.32x = 350,986,314,500,430.44
  5. Step 5: Solve for x
    x = 350,986,314,500,430.44/21,177,292.32
  6. Step 6: Final answer
    x = 16,573,710.61

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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.