Home / 19,928,486.70-29,892,730.05-19,760,525.10

Finding the Fourth Proportional to 19,928,486.70, 29,892,730.05 and 19,760,525.10

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Solution

The fourth proportional to 19,928,486.70, 29,892,730.05 and 19,760,525.10 is: 29,640,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,486.70 : 29,892,730.05 = 19,760,525.10 : x
  2. Step 2: Convert to fraction form
    19,928,486.70/29,892,730.05 = 19,760,525.10/x
  3. Step 3: Cross multiply
    19,928,486.70x = 29,892,730.05 × 19,760,525.10
  4. Step 4: Simplify right side
    19,928,486.70x = 590,696,042,460,549.38
  5. Step 5: Solve for x
    x = 590,696,042,460,549.38/19,928,486.70
  6. Step 6: Final answer
    x = 29,640,787.65

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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.