Home / 10,419,677.80-15,628,097.84-2,742,679.72

Finding the Fourth Proportional to 10,419,677.80, 15,628,097.84 and 2,742,679.72

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Solution

The fourth proportional to 10,419,677.80, 15,628,097.84 and 2,742,679.72 is: 4,113,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,677.80 : 15,628,097.84 = 2,742,679.72 : x
  2. Step 2: Convert to fraction form
    10,419,677.80/15,628,097.84 = 2,742,679.72/x
  3. Step 3: Cross multiply
    10,419,677.80x = 15,628,097.84 × 2,742,679.72
  4. Step 4: Simplify right side
    10,419,677.80x = 42,862,867,007,943.80
  5. Step 5: Solve for x
    x = 42,862,867,007,943.80/10,419,677.80
  6. Step 6: Final answer
    x = 4,113,646.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.