Home / 7,261,431.20-10,868,527.20-5,655,298.40

Finding the Fourth Proportional to 7,261,431.20, 10,868,527.20 and 5,655,298.40

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Solution

The fourth proportional to 7,261,431.20, 10,868,527.20 and 5,655,298.40 is: 8,464,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,431.20 : 10,868,527.20 = 5,655,298.40 : x
  2. Step 2: Convert to fraction form
    7,261,431.20/10,868,527.20 = 5,655,298.40/x
  3. Step 3: Cross multiply
    7,261,431.20x = 10,868,527.20 × 5,655,298.40
  4. Step 4: Simplify right side
    7,261,431.20x = 61,464,764,484,516.48
  5. Step 5: Solve for x
    x = 61,464,764,484,516.48/7,261,431.20
  6. Step 6: Final answer
    x = 8,464,552.34

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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.