Home / 9,404,153.46-12,931,711.51-8,161,606.60

Finding the Fourth Proportional to 9,404,153.46, 12,931,711.51 and 8,161,606.60

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Solution

The fourth proportional to 9,404,153.46, 12,931,711.51 and 8,161,606.60 is: 11,223,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404,153.46 : 12,931,711.51 = 8,161,606.60 : x
  2. Step 2: Convert to fraction form
    9,404,153.46/12,931,711.51 = 8,161,606.60/x
  3. Step 3: Cross multiply
    9,404,153.46x = 12,931,711.51 × 8,161,606.60
  4. Step 4: Simplify right side
    9,404,153.46x = 105,543,542,009,311.95
  5. Step 5: Solve for x
    x = 105,543,542,009,311.95/9,404,153.46
  6. Step 6: Final answer
    x = 11,223,077.38

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1.5x scale

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.