Home / 10,509,510.10-15,764,265.15-9,446,628.10

Finding the Fourth Proportional to 10,509,510.10, 15,764,265.15 and 9,446,628.10

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Solution

The fourth proportional to 10,509,510.10, 15,764,265.15 and 9,446,628.10 is: 14,169,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,510.10 : 15,764,265.15 = 9,446,628.10 : x
  2. Step 2: Convert to fraction form
    10,509,510.10/15,764,265.15 = 9,446,628.10/x
  3. Step 3: Cross multiply
    10,509,510.10x = 15,764,265.15 × 9,446,628.10
  4. Step 4: Simplify right side
    10,509,510.10x = 148,919,150,141,840.72
  5. Step 5: Solve for x
    x = 148,919,150,141,840.72/10,509,510.10
  6. Step 6: Final answer
    x = 14,169,942.15

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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.