Home / 15,280,991.27-21,085,851.86-10,330,204.19

Finding the Fourth Proportional to 15,280,991.27, 21,085,851.86 and 10,330,204.19

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Solution

The fourth proportional to 15,280,991.27, 21,085,851.86 and 10,330,204.19 is: 14,254,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,991.27 : 21,085,851.86 = 10,330,204.19 : x
  2. Step 2: Convert to fraction form
    15,280,991.27/21,085,851.86 = 10,330,204.19/x
  3. Step 3: Cross multiply
    15,280,991.27x = 21,085,851.86 × 10,330,204.19
  4. Step 4: Simplify right side
    15,280,991.27x = 217,821,155,076,811.03
  5. Step 5: Solve for x
    x = 217,821,155,076,811.03/15,280,991.27
  6. Step 6: Final answer
    x = 14,254,386.47

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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.