Home / 22,157,528.60-30,582,491.26-12,993,123.80

Finding the Fourth Proportional to 22,157,528.60, 30,582,491.26 and 12,993,123.80

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Solution

The fourth proportional to 22,157,528.60, 30,582,491.26 and 12,993,123.80 is: 17,933,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,528.60 : 30,582,491.26 = 12,993,123.80 : x
  2. Step 2: Convert to fraction form
    22,157,528.60/30,582,491.26 = 12,993,123.80/x
  3. Step 3: Cross multiply
    22,157,528.60x = 30,582,491.26 × 12,993,123.80
  4. Step 4: Simplify right side
    22,157,528.60x = 397,362,095,053,598.06
  5. Step 5: Solve for x
    x = 397,362,095,053,598.06/22,157,528.60
  6. Step 6: Final answer
    x = 17,933,502.52

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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.