Home / 7,176,903.60-9,904,366.06-3,913,896.36

Finding the Fourth Proportional to 7,176,903.60, 9,904,366.06 and 3,913,896.36

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Solution

The fourth proportional to 7,176,903.60, 9,904,366.06 and 3,913,896.36 is: 5,401,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,903.60 : 9,904,366.06 = 3,913,896.36 : x
  2. Step 2: Convert to fraction form
    7,176,903.60/9,904,366.06 = 3,913,896.36/x
  3. Step 3: Cross multiply
    7,176,903.60x = 9,904,366.06 × 3,913,896.36
  4. Step 4: Simplify right side
    7,176,903.60x = 38,764,662,270,341.54
  5. Step 5: Solve for x
    x = 38,764,662,270,341.54/7,176,903.60
  6. Step 6: Final answer
    x = 5,401,307.36

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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.