Home / 15,075,788.13-20,808,283.17-8,553,235.59

Finding the Fourth Proportional to 15,075,788.13, 20,808,283.17 and 8,553,235.59

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Solution

The fourth proportional to 15,075,788.13, 20,808,283.17 and 8,553,235.59 is: 11,805,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,788.13 : 20,808,283.17 = 8,553,235.59 : x
  2. Step 2: Convert to fraction form
    15,075,788.13/20,808,283.17 = 8,553,235.59/x
  3. Step 3: Cross multiply
    15,075,788.13x = 20,808,283.17 × 8,553,235.59
  4. Step 4: Simplify right side
    15,075,788.13x = 177,978,148,176,442.03
  5. Step 5: Solve for x
    x = 177,978,148,176,442.03/15,075,788.13
  6. Step 6: Final answer
    x = 11,805,561.78

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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.