Home / 10,872,833.61-16,273,763.16-7,993,438.32

Finding the Fourth Proportional to 10,872,833.61, 16,273,763.16 and 7,993,438.32

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Solution

The fourth proportional to 10,872,833.61, 16,273,763.16 and 7,993,438.32 is: 11,964,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,833.61 : 16,273,763.16 = 7,993,438.32 : x
  2. Step 2: Convert to fraction form
    10,872,833.61/16,273,763.16 = 7,993,438.32/x
  3. Step 3: Cross multiply
    10,872,833.61x = 16,273,763.16 × 7,993,438.32
  4. Step 4: Simplify right side
    10,872,833.61x = 130,083,322,084,799.52
  5. Step 5: Solve for x
    x = 130,083,322,084,799.52/10,872,833.61
  6. Step 6: Final answer
    x = 11,964,068.13

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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.