Home / 15,360,888.69-21,198,338.88-8,392,017.62

Finding the Fourth Proportional to 15,360,888.69, 21,198,338.88 and 8,392,017.62

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Solution

The fourth proportional to 15,360,888.69, 21,198,338.88 and 8,392,017.62 is: 11,581,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,888.69 : 21,198,338.88 = 8,392,017.62 : x
  2. Step 2: Convert to fraction form
    15,360,888.69/21,198,338.88 = 8,392,017.62/x
  3. Step 3: Cross multiply
    15,360,888.69x = 21,198,338.88 × 8,392,017.62
  4. Step 4: Simplify right side
    15,360,888.69x = 177,896,833,347,667.38
  5. Step 5: Solve for x
    x = 177,896,833,347,667.38/15,360,888.69
  6. Step 6: Final answer
    x = 11,581,155.03

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1.5x scale

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.