Home / 12,946,563.78-19,403,607.02-6,866,288.24

Finding the Fourth Proportional to 12,946,563.78, 19,403,607.02 and 6,866,288.24

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Solution

The fourth proportional to 12,946,563.78, 19,403,607.02 and 6,866,288.24 is: 10,290,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,563.78 : 19,403,607.02 = 6,866,288.24 : x
  2. Step 2: Convert to fraction form
    12,946,563.78/19,403,607.02 = 6,866,288.24/x
  3. Step 3: Cross multiply
    12,946,563.78x = 19,403,607.02 × 6,866,288.24
  4. Step 4: Simplify right side
    12,946,563.78x = 133,230,758,695,007.45
  5. Step 5: Solve for x
    x = 133,230,758,695,007.45/12,946,563.78
  6. Step 6: Final answer
    x = 10,290,820.09

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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.