Home / 21,033,140.50-29,025,733.89-11,375,348.50

Finding the Fourth Proportional to 21,033,140.50, 29,025,733.89 and 11,375,348.50

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Solution

The fourth proportional to 21,033,140.50, 29,025,733.89 and 11,375,348.50 is: 15,697,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,140.50 : 29,025,733.89 = 11,375,348.50 : x
  2. Step 2: Convert to fraction form
    21,033,140.50/29,025,733.89 = 11,375,348.50/x
  3. Step 3: Cross multiply
    21,033,140.50x = 29,025,733.89 × 11,375,348.50
  4. Step 4: Simplify right side
    21,033,140.50x = 330,177,838,467,010.69
  5. Step 5: Solve for x
    x = 330,177,838,467,010.69/21,033,140.50
  6. Step 6: Final answer
    x = 15,697,980.93

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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.