Home / 21,438,677.64-29,585,314.01-11,649,119.23

Finding the Fourth Proportional to 21,438,677.64, 29,585,314.01 and 11,649,119.23

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Solution

The fourth proportional to 21,438,677.64, 29,585,314.01 and 11,649,119.23 is: 16,075,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,677.64 : 29,585,314.01 = 11,649,119.23 : x
  2. Step 2: Convert to fraction form
    21,438,677.64/29,585,314.01 = 11,649,119.23/x
  3. Step 3: Cross multiply
    21,438,677.64x = 29,585,314.01 × 11,649,119.23
  4. Step 4: Simplify right side
    21,438,677.64x = 344,642,850,326,957.62
  5. Step 5: Solve for x
    x = 344,642,850,326,957.62/21,438,677.64
  6. Step 6: Final answer
    x = 16,075,751.32

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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.