Home / 10,689,145.60-16,033,718.40-9,933,318.40

Finding the Fourth Proportional to 10,689,145.60, 16,033,718.40 and 9,933,318.40

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Solution

The fourth proportional to 10,689,145.60, 16,033,718.40 and 9,933,318.40 is: 14,899,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,145.60 : 16,033,718.40 = 9,933,318.40 : x
  2. Step 2: Convert to fraction form
    10,689,145.60/16,033,718.40 = 9,933,318.40/x
  3. Step 3: Cross multiply
    10,689,145.60x = 16,033,718.40 × 9,933,318.40
  4. Step 4: Simplify right side
    10,689,145.60x = 159,268,030,003,138.56
  5. Step 5: Solve for x
    x = 159,268,030,003,138.56/10,689,145.60
  6. Step 6: Final answer
    x = 14,899,977.60

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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.