Home / 22,629,829.36-31,229,827.68-12,317,220.40

Finding the Fourth Proportional to 22,629,829.36, 31,229,827.68 and 12,317,220.40

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Solution

The fourth proportional to 22,629,829.36, 31,229,827.68 and 12,317,220.40 is: 16,998,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629,829.36 : 31,229,827.68 = 12,317,220.40 : x
  2. Step 2: Convert to fraction form
    22,629,829.36/31,229,827.68 = 12,317,220.40/x
  3. Step 3: Cross multiply
    22,629,829.36x = 31,229,827.68 × 12,317,220.40
  4. Step 4: Simplify right side
    22,629,829.36x = 384,664,670,588,580.69
  5. Step 5: Solve for x
    x = 384,664,670,588,580.69/22,629,829.36
  6. Step 6: Final answer
    x = 16,998,125.11

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1.5x scale

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.