Home / 13,942,136.60-20,913,204.90-10,115,761.40

Finding the Fourth Proportional to 13,942,136.60, 20,913,204.90 and 10,115,761.40

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Solution

The fourth proportional to 13,942,136.60, 20,913,204.90 and 10,115,761.40 is: 15,173,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,136.60 : 20,913,204.90 = 10,115,761.40 : x
  2. Step 2: Convert to fraction form
    13,942,136.60/20,913,204.90 = 10,115,761.40/x
  3. Step 3: Cross multiply
    13,942,136.60x = 20,913,204.90 × 10,115,761.40
  4. Step 4: Simplify right side
    13,942,136.60x = 211,552,990,877,710.84
  5. Step 5: Solve for x
    x = 211,552,990,877,710.84/13,942,136.60
  6. Step 6: Final answer
    x = 15,173,642.10

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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.