Home / 14,055,905.40-21,068,111.70-7,993,541.40

Finding the Fourth Proportional to 14,055,905.40, 21,068,111.70 and 7,993,541.40

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Solution

The fourth proportional to 14,055,905.40, 21,068,111.70 and 7,993,541.40 is: 11,981,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055,905.40 : 21,068,111.70 = 7,993,541.40 : x
  2. Step 2: Convert to fraction form
    14,055,905.40/21,068,111.70 = 7,993,541.40/x
  3. Step 3: Cross multiply
    14,055,905.40x = 21,068,111.70 × 7,993,541.40
  4. Step 4: Simplify right side
    14,055,905.40x = 168,408,823,093,774.38
  5. Step 5: Solve for x
    x = 168,408,823,093,774.38/14,055,905.40
  6. Step 6: Final answer
    x = 11,981,357.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.