Home / 20,036,866.66-27,650,929.20-10,869,509.41

Finding the Fourth Proportional to 20,036,866.66, 27,650,929.20 and 10,869,509.41

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Solution

The fourth proportional to 20,036,866.66, 27,650,929.20 and 10,869,509.41 is: 14,999,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,866.66 : 27,650,929.20 = 10,869,509.41 : x
  2. Step 2: Convert to fraction form
    20,036,866.66/27,650,929.20 = 10,869,509.41/x
  3. Step 3: Cross multiply
    20,036,866.66x = 27,650,929.20 × 10,869,509.41
  4. Step 4: Simplify right side
    20,036,866.66x = 300,552,035,134,643.75
  5. Step 5: Solve for x
    x = 300,552,035,134,643.75/20,036,866.66
  6. Step 6: Final answer
    x = 14,999,951.85

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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.