Home / 8,480,030.78-12,713,844.73-2,719,485.36

Finding the Fourth Proportional to 8,480,030.78, 12,713,844.73 and 2,719,485.36

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Solution

The fourth proportional to 8,480,030.78, 12,713,844.73 and 2,719,485.36 is: 4,077,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480,030.78 : 12,713,844.73 = 2,719,485.36 : x
  2. Step 2: Convert to fraction form
    8,480,030.78/12,713,844.73 = 2,719,485.36/x
  3. Step 3: Cross multiply
    8,480,030.78x = 12,713,844.73 × 2,719,485.36
  4. Step 4: Simplify right side
    8,480,030.78x = 34,575,114,612,548.15
  5. Step 5: Solve for x
    x = 34,575,114,612,548.15/8,480,030.78
  6. Step 6: Final answer
    x = 4,077,239.28

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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.