Home / 21,307,860.73-29,402,653.52-15,729,075.24

Finding the Fourth Proportional to 21,307,860.73, 29,402,653.52 and 15,729,075.24

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Solution

The fourth proportional to 21,307,860.73, 29,402,653.52 and 15,729,075.24 is: 21,704,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,860.73 : 29,402,653.52 = 15,729,075.24 : x
  2. Step 2: Convert to fraction form
    21,307,860.73/29,402,653.52 = 15,729,075.24/x
  3. Step 3: Cross multiply
    21,307,860.73x = 29,402,653.52 × 15,729,075.24
  4. Step 4: Simplify right side
    21,307,860.73x = 462,476,549,483,503.25
  5. Step 5: Solve for x
    x = 462,476,549,483,503.25/21,307,860.73
  6. Step 6: Final answer
    x = 21,704,504.04

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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.