Home / 20,386,412.10-30,579,618.15-19,441,628.10

Finding the Fourth Proportional to 20,386,412.10, 30,579,618.15 and 19,441,628.10

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Solution

The fourth proportional to 20,386,412.10, 30,579,618.15 and 19,441,628.10 is: 29,162,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,412.10 : 30,579,618.15 = 19,441,628.10 : x
  2. Step 2: Convert to fraction form
    20,386,412.10/30,579,618.15 = 19,441,628.10/x
  3. Step 3: Cross multiply
    20,386,412.10x = 30,579,618.15 × 19,441,628.10
  4. Step 4: Simplify right side
    20,386,412.10x = 594,517,563,512,310
  5. Step 5: Solve for x
    x = 594,517,563,512,310/20,386,412.10
  6. Step 6: Final answer
    x = 29,162,442.15

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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.