Home / 15,272,345.26-21,075,650.70-11,369,538.46

Finding the Fourth Proportional to 15,272,345.26, 21,075,650.70 and 11,369,538.46

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Solution

The fourth proportional to 15,272,345.26, 21,075,650.70 and 11,369,538.46 is: 15,689,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,345.26 : 21,075,650.70 = 11,369,538.46 : x
  2. Step 2: Convert to fraction form
    15,272,345.26/21,075,650.70 = 11,369,538.46/x
  3. Step 3: Cross multiply
    15,272,345.26x = 21,075,650.70 × 11,369,538.46
  4. Step 4: Simplify right side
    15,272,345.26x = 239,620,421,203,175.94
  5. Step 5: Solve for x
    x = 239,620,421,203,175.94/15,272,345.26
  6. Step 6: Final answer
    x = 15,689,824.79

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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.