Home / 20,412,363.84-30,618,588.96-19,165,248.96

Finding the Fourth Proportional to 20,412,363.84, 30,618,588.96 and 19,165,248.96

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Solution

The fourth proportional to 20,412,363.84, 30,618,588.96 and 19,165,248.96 is: 28,747,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,363.84 : 30,618,588.96 = 19,165,248.96 : x
  2. Step 2: Convert to fraction form
    20,412,363.84/30,618,588.96 = 19,165,248.96/x
  3. Step 3: Cross multiply
    20,412,363.84x = 30,618,588.96 × 19,165,248.96
  4. Step 4: Simplify right side
    20,412,363.84x = 586,812,880,222,307.50
  5. Step 5: Solve for x
    x = 586,812,880,222,307.50/20,412,363.84
  6. Step 6: Final answer
    x = 28,747,914.00

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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.