Home / 30,619,362.02-45,921,787.40-8,759,067.28

Finding the Fourth Proportional to 30,619,362.02, 45,921,787.40 and 8,759,067.28

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Solution

The fourth proportional to 30,619,362.02, 45,921,787.40 and 8,759,067.28 is: 13,136,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619,362.02 : 45,921,787.40 = 8,759,067.28 : x
  2. Step 2: Convert to fraction form
    30,619,362.02/45,921,787.40 = 8,759,067.28/x
  3. Step 3: Cross multiply
    30,619,362.02x = 45,921,787.40 × 8,759,067.28
  4. Step 4: Simplify right side
    30,619,362.02x = 402,232,025,570,589.81
  5. Step 5: Solve for x
    x = 402,232,025,570,589.81/30,619,362.02
  6. Step 6: Final answer
    x = 13,136,525.36

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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.