Home / 13,888,657.52-19,166,139.79-7,693,685.69

Finding the Fourth Proportional to 13,888,657.52, 19,166,139.79 and 7,693,685.69

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Solution

The fourth proportional to 13,888,657.52, 19,166,139.79 and 7,693,685.69 is: 10,617,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,657.52 : 19,166,139.79 = 7,693,685.69 : x
  2. Step 2: Convert to fraction form
    13,888,657.52/19,166,139.79 = 7,693,685.69/x
  3. Step 3: Cross multiply
    13,888,657.52x = 19,166,139.79 × 7,693,685.69
  4. Step 4: Simplify right side
    13,888,657.52x = 147,458,255,319,797.69
  5. Step 5: Solve for x
    x = 147,458,255,319,797.69/13,888,657.52
  6. Step 6: Final answer
    x = 10,617,171.25

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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.