Home / 19,363,313.20-29,044,969.80-18,513,007.60

Finding the Fourth Proportional to 19,363,313.20, 29,044,969.80 and 18,513,007.60

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Solution

The fourth proportional to 19,363,313.20, 29,044,969.80 and 18,513,007.60 is: 27,769,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363,313.20 : 29,044,969.80 = 18,513,007.60 : x
  2. Step 2: Convert to fraction form
    19,363,313.20/29,044,969.80 = 18,513,007.60/x
  3. Step 3: Cross multiply
    19,363,313.20x = 29,044,969.80 × 18,513,007.60
  4. Step 4: Simplify right side
    19,363,313.20x = 537,709,746,649,170.56
  5. Step 5: Solve for x
    x = 537,709,746,649,170.56/19,363,313.20
  6. Step 6: Final answer
    x = 27,769,511.40

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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.