Home / 22,456,366.92-30,989,971.70-12,398,189.90

Finding the Fourth Proportional to 22,456,366.92, 30,989,971.70 and 12,398,189.90

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Solution

The fourth proportional to 22,456,366.92, 30,989,971.70 and 12,398,189.90 is: 17,109,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456,366.92 : 30,989,971.70 = 12,398,189.90 : x
  2. Step 2: Convert to fraction form
    22,456,366.92/30,989,971.70 = 12,398,189.90/x
  3. Step 3: Cross multiply
    22,456,366.92x = 30,989,971.70 × 12,398,189.90
  4. Step 4: Simplify right side
    22,456,366.92x = 384,219,554,132,225.81
  5. Step 5: Solve for x
    x = 384,219,554,132,225.81/22,456,366.92
  6. Step 6: Final answer
    x = 17,109,604.39

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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.