Home / 21,349,634.50-29,462,451.78-11,560,075.84

Finding the Fourth Proportional to 21,349,634.50, 29,462,451.78 and 11,560,075.84

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Solution

The fourth proportional to 21,349,634.50, 29,462,451.78 and 11,560,075.84 is: 15,952,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349,634.50 : 29,462,451.78 = 11,560,075.84 : x
  2. Step 2: Convert to fraction form
    21,349,634.50/29,462,451.78 = 11,560,075.84/x
  3. Step 3: Cross multiply
    21,349,634.50x = 29,462,451.78 × 11,560,075.84
  4. Step 4: Simplify right side
    21,349,634.50x = 340,588,177,009,143
  5. Step 5: Solve for x
    x = 340,588,177,009,143/21,349,634.50
  6. Step 6: Final answer
    x = 15,952,880.93

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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.