Home / 9,205,955.42-13,808,432.59-2,816,207.78

Finding the Fourth Proportional to 9,205,955.42, 13,808,432.59 and 2,816,207.78

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Solution

The fourth proportional to 9,205,955.42, 13,808,432.59 and 2,816,207.78 is: 4,224,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,955.42 : 13,808,432.59 = 2,816,207.78 : x
  2. Step 2: Convert to fraction form
    9,205,955.42/13,808,432.59 = 2,816,207.78/x
  3. Step 3: Cross multiply
    9,205,955.42x = 13,808,432.59 × 2,816,207.78
  4. Step 4: Simplify right side
    9,205,955.42x = 38,887,415,289,563.55
  5. Step 5: Solve for x
    x = 38,887,415,289,563.55/9,205,955.42
  6. Step 6: Final answer
    x = 4,224,158.55

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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.