Home / 21,525,561.90-29,733,630.73-15,955,100.98

Finding the Fourth Proportional to 21,525,561.90, 29,733,630.73 and 15,955,100.98

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Solution

The fourth proportional to 21,525,561.90, 29,733,630.73 and 15,955,100.98 is: 22,039,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,561.90 : 29,733,630.73 = 15,955,100.98 : x
  2. Step 2: Convert to fraction form
    21,525,561.90/29,733,630.73 = 15,955,100.98/x
  3. Step 3: Cross multiply
    21,525,561.90x = 29,733,630.73 × 15,955,100.98
  4. Step 4: Simplify right side
    21,525,561.90x = 474,403,080,684,959.25
  5. Step 5: Solve for x
    x = 474,403,080,684,959.25/21,525,561.90
  6. Step 6: Final answer
    x = 22,039,056.77

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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.