Home / 9,888,639.14-14,837,221.30-5,338,784.56

Finding the Fourth Proportional to 9,888,639.14, 14,837,221.30 and 5,338,784.56

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Solution

The fourth proportional to 9,888,639.14, 14,837,221.30 and 5,338,784.56 is: 8,010,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888,639.14 : 14,837,221.30 = 5,338,784.56 : x
  2. Step 2: Convert to fraction form
    9,888,639.14/14,837,221.30 = 5,338,784.56/x
  3. Step 3: Cross multiply
    9,888,639.14x = 14,837,221.30 × 5,338,784.56
  4. Step 4: Simplify right side
    9,888,639.14x = 79,212,727,989,743.12
  5. Step 5: Solve for x
    x = 79,212,727,989,743.12/9,888,639.14
  6. Step 6: Final answer
    x = 8,010,478.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.