Home / 15,136,044.87-20,884,991.70-8,942,100.02

Finding the Fourth Proportional to 15,136,044.87, 20,884,991.70 and 8,942,100.02

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Solution

The fourth proportional to 15,136,044.87, 20,884,991.70 and 8,942,100.02 is: 12,338,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,044.87 : 20,884,991.70 = 8,942,100.02 : x
  2. Step 2: Convert to fraction form
    15,136,044.87/20,884,991.70 = 8,942,100.02/x
  3. Step 3: Cross multiply
    15,136,044.87x = 20,884,991.70 × 8,942,100.02
  4. Step 4: Simplify right side
    15,136,044.87x = 186,755,684,698,269.81
  5. Step 5: Solve for x
    x = 186,755,684,698,269.81/15,136,044.87
  6. Step 6: Final answer
    x = 12,338,473.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.