Home / 49,673,314.60-74,509,971.90-13,287,320.80

Finding the Fourth Proportional to 49,673,314.60, 74,509,971.90 and 13,287,320.80

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Solution

The fourth proportional to 49,673,314.60, 74,509,971.90 and 13,287,320.80 is: 19,930,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,673,314.60 : 74,509,971.90 = 13,287,320.80 : x
  2. Step 2: Convert to fraction form
    49,673,314.60/74,509,971.90 = 13,287,320.80/x
  3. Step 3: Cross multiply
    49,673,314.60x = 74,509,971.90 × 13,287,320.80
  4. Step 4: Simplify right side
    49,673,314.60x = 990,037,899,434,285.62
  5. Step 5: Solve for x
    x = 990,037,899,434,285.62/49,673,314.60
  6. Step 6: Final answer
    x = 19,930,981.20

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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.