Home / 9,839,132.65-13,578,340.71-5,708,851.93

Finding the Fourth Proportional to 9,839,132.65, 13,578,340.71 and 5,708,851.93

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Solution

The fourth proportional to 9,839,132.65, 13,578,340.71 and 5,708,851.93 is: 7,878,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,132.65 : 13,578,340.71 = 5,708,851.93 : x
  2. Step 2: Convert to fraction form
    9,839,132.65/13,578,340.71 = 5,708,851.93/x
  3. Step 3: Cross multiply
    9,839,132.65x = 13,578,340.71 × 5,708,851.93
  4. Step 4: Simplify right side
    9,839,132.65x = 77,516,736,568,481.08
  5. Step 5: Solve for x
    x = 77,516,736,568,481.08/9,839,132.65
  6. Step 6: Final answer
    x = 7,878,411.58

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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.