Home / 20,036,862.91-27,650,924.02-10,869,505.66

Finding the Fourth Proportional to 20,036,862.91, 27,650,924.02 and 10,869,505.66

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Solution

The fourth proportional to 20,036,862.91, 27,650,924.02 and 10,869,505.66 is: 14,999,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,862.91 : 27,650,924.02 = 10,869,505.66 : x
  2. Step 2: Convert to fraction form
    20,036,862.91/27,650,924.02 = 10,869,505.66/x
  3. Step 3: Cross multiply
    20,036,862.91x = 27,650,924.02 × 10,869,505.66
  4. Step 4: Simplify right side
    20,036,862.91x = 300,551,874,947,017.81
  5. Step 5: Solve for x
    x = 300,551,874,947,017.81/20,036,862.91
  6. Step 6: Final answer
    x = 14,999,946.67

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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.