Home / 22,623,789-31,220,566.38-12,310,334.40

Finding the Fourth Proportional to 22,623,789, 31,220,566.38 and 12,310,334.40

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Solution

The fourth proportional to 22,623,789, 31,220,566.38 and 12,310,334.40 is: 16,988,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623,789 : 31,220,566.38 = 12,310,334.40 : x
  2. Step 2: Convert to fraction form
    22,623,789/31,220,566.38 = 12,310,334.40/x
  3. Step 3: Cross multiply
    22,623,789x = 31,220,566.38 × 12,310,334.40
  4. Step 4: Simplify right side
    22,623,789x = 384,335,612,295,197.50
  5. Step 5: Solve for x
    x = 384,335,612,295,197.50/22,623,789
  6. Step 6: Final answer
    x = 16,988,118.67

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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.