Home / 20,130,661.59-27,781,099.38-11,429,643.75

Finding the Fourth Proportional to 20,130,661.59, 27,781,099.38 and 11,429,643.75

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Solution

The fourth proportional to 20,130,661.59, 27,781,099.38 and 11,429,643.75 is: 15,773,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,661.59 : 27,781,099.38 = 11,429,643.75 : x
  2. Step 2: Convert to fraction form
    20,130,661.59/27,781,099.38 = 11,429,643.75/x
  3. Step 3: Cross multiply
    20,130,661.59x = 27,781,099.38 × 11,429,643.75
  4. Step 4: Simplify right side
    20,130,661.59x = 317,528,068,896,745.88
  5. Step 5: Solve for x
    x = 317,528,068,896,745.88/20,130,661.59
  6. Step 6: Final answer
    x = 15,773,354.86

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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.