Home / 7,041,959.21-9,717,960.78-3,902,275.32

Finding the Fourth Proportional to 7,041,959.21, 9,717,960.78 and 3,902,275.32

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Solution

The fourth proportional to 7,041,959.21, 9,717,960.78 and 3,902,275.32 is: 5,385,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041,959.21 : 9,717,960.78 = 3,902,275.32 : x
  2. Step 2: Convert to fraction form
    7,041,959.21/9,717,960.78 = 3,902,275.32/x
  3. Step 3: Cross multiply
    7,041,959.21x = 9,717,960.78 × 3,902,275.32
  4. Step 4: Simplify right side
    7,041,959.21x = 37,922,158,507,644.11
  5. Step 5: Solve for x
    x = 37,922,158,507,644.11/7,041,959.21
  6. Step 6: Final answer
    x = 5,385,171.57

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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.