Home / 9,839,132.40-13,578,340.36-5,708,851.68

Finding the Fourth Proportional to 9,839,132.40, 13,578,340.36 and 5,708,851.68

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Solution

The fourth proportional to 9,839,132.40, 13,578,340.36 and 5,708,851.68 is: 7,878,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,132.40 : 13,578,340.36 = 5,708,851.68 : x
  2. Step 2: Convert to fraction form
    9,839,132.40/13,578,340.36 = 5,708,851.68/x
  3. Step 3: Cross multiply
    9,839,132.40x = 13,578,340.36 × 5,708,851.68
  4. Step 4: Simplify right side
    9,839,132.40x = 77,516,731,175,797.80
  5. Step 5: Solve for x
    x = 77,516,731,175,797.80/9,839,132.40
  6. Step 6: Final answer
    x = 7,878,411.23

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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.