Home / 49,673,328.60-74,509,992.90-13,287,334.80

Finding the Fourth Proportional to 49,673,328.60, 74,509,992.90 and 13,287,334.80

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Solution

The fourth proportional to 49,673,328.60, 74,509,992.90 and 13,287,334.80 is: 19,931,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,673,328.60 : 74,509,992.90 = 13,287,334.80 : x
  2. Step 2: Convert to fraction form
    49,673,328.60/74,509,992.90 = 13,287,334.80/x
  3. Step 3: Cross multiply
    49,673,328.60x = 74,509,992.90 × 13,287,334.80
  4. Step 4: Simplify right side
    49,673,328.60x = 990,039,221,607,923
  5. Step 5: Solve for x
    x = 990,039,221,607,923/49,673,328.60
  6. Step 6: Final answer
    x = 19,931,002.20

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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.