Home / 7,155,278.28-10,728,582.84-3,210,932.40

Finding the Fourth Proportional to 7,155,278.28, 10,728,582.84 and 3,210,932.40

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Solution

The fourth proportional to 7,155,278.28, 10,728,582.84 and 3,210,932.40 is: 4,814,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,278.28 : 10,728,582.84 = 3,210,932.40 : x
  2. Step 2: Convert to fraction form
    7,155,278.28/10,728,582.84 = 3,210,932.40/x
  3. Step 3: Cross multiply
    7,155,278.28x = 10,728,582.84 × 3,210,932.40
  4. Step 4: Simplify right side
    7,155,278.28x = 34,448,754,247,040.02
  5. Step 5: Solve for x
    x = 34,448,754,247,040.02/7,155,278.28
  6. Step 6: Final answer
    x = 4,814,453.46

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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.