Home / 13,919,179.70-19,208,426.46-7,725,159.38

Finding the Fourth Proportional to 13,919,179.70, 19,208,426.46 and 7,725,159.38

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Solution

The fourth proportional to 13,919,179.70, 19,208,426.46 and 7,725,159.38 is: 10,660,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919,179.70 : 19,208,426.46 = 7,725,159.38 : x
  2. Step 2: Convert to fraction form
    13,919,179.70/19,208,426.46 = 7,725,159.38/x
  3. Step 3: Cross multiply
    13,919,179.70x = 19,208,426.46 × 7,725,159.38
  4. Step 4: Simplify right side
    13,919,179.70x = 148,388,155,842,509.19
  5. Step 5: Solve for x
    x = 148,388,155,842,509.19/13,919,179.70
  6. Step 6: Final answer
    x = 10,660,696.90

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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.