Home / 22,623,800-31,220,581.56-12,310,345.40

Finding the Fourth Proportional to 22,623,800, 31,220,581.56 and 12,310,345.40

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Solution

The fourth proportional to 22,623,800, 31,220,581.56 and 12,310,345.40 is: 16,988,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623,800 : 31,220,581.56 = 12,310,345.40 : x
  2. Step 2: Convert to fraction form
    22,623,800/31,220,581.56 = 12,310,345.40/x
  3. Step 3: Cross multiply
    22,623,800x = 31,220,581.56 × 12,310,345.40
  4. Step 4: Simplify right side
    22,623,800x = 384,336,142,592,470.81
  5. Step 5: Solve for x
    x = 384,336,142,592,470.81/22,623,800
  6. Step 6: Final answer
    x = 16,988,133.85

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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.