Home / 9,839,139.40-13,578,350.04-5,708,858.68

Finding the Fourth Proportional to 9,839,139.40, 13,578,350.04 and 5,708,858.68

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Solution

The fourth proportional to 9,839,139.40, 13,578,350.04 and 5,708,858.68 is: 7,878,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,139.40 : 13,578,350.04 = 5,708,858.68 : x
  2. Step 2: Convert to fraction form
    9,839,139.40/13,578,350.04 = 5,708,858.68/x
  3. Step 3: Cross multiply
    9,839,139.40x = 13,578,350.04 × 5,708,858.68
  4. Step 4: Simplify right side
    9,839,139.40x = 77,516,881,485,932.34
  5. Step 5: Solve for x
    x = 77,516,881,485,932.34/9,839,139.40
  6. Step 6: Final answer
    x = 7,878,420.90

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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.