Home / 12,291,039.65-18,443,940.60-5,101,823.90

Finding the Fourth Proportional to 12,291,039.65, 18,443,940.60 and 5,101,823.90

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Solution

The fourth proportional to 12,291,039.65, 18,443,940.60 and 5,101,823.90 is: 7,655,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,039.65 : 18,443,940.60 = 5,101,823.90 : x
  2. Step 2: Convert to fraction form
    12,291,039.65/18,443,940.60 = 5,101,823.90/x
  3. Step 3: Cross multiply
    12,291,039.65x = 18,443,940.60 × 5,101,823.90
  4. Step 4: Simplify right side
    12,291,039.65x = 94,097,736,963,260.36
  5. Step 5: Solve for x
    x = 94,097,736,963,260.36/12,291,039.65
  6. Step 6: Final answer
    x = 7,655,799.64

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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.