Home / 13,415,136.43-20,122,275.58-5,638,170.91

Finding the Fourth Proportional to 13,415,136.43, 20,122,275.58 and 5,638,170.91

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Solution

The fourth proportional to 13,415,136.43, 20,122,275.58 and 5,638,170.91 is: 8,457,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,136.43 : 20,122,275.58 = 5,638,170.91 : x
  2. Step 2: Convert to fraction form
    13,415,136.43/20,122,275.58 = 5,638,170.91/x
  3. Step 3: Cross multiply
    13,415,136.43x = 20,122,275.58 × 5,638,170.91
  4. Step 4: Simplify right side
    13,415,136.43x = 113,452,828,818,159.38
  5. Step 5: Solve for x
    x = 113,452,828,818,159.38/13,415,136.43
  6. Step 6: Final answer
    x = 8,457,076.04

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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.