Home / 22,157,543.39-30,582,511.70-12,993,138.59

Finding the Fourth Proportional to 22,157,543.39, 30,582,511.70 and 12,993,138.59

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Solution

The fourth proportional to 22,157,543.39, 30,582,511.70 and 12,993,138.59 is: 17,933,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,543.39 : 30,582,511.70 = 12,993,138.59 : x
  2. Step 2: Convert to fraction form
    22,157,543.39/30,582,511.70 = 12,993,138.59/x
  3. Step 3: Cross multiply
    22,157,543.39x = 30,582,511.70 × 12,993,138.59
  4. Step 4: Simplify right side
    22,157,543.39x = 397,362,812,730,518.31
  5. Step 5: Solve for x
    x = 397,362,812,730,518.31/22,157,543.39
  6. Step 6: Final answer
    x = 17,933,522.95

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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.