Home / 12,553,559.28-18,830,339.28-3,577,878

Finding the Fourth Proportional to 12,553,559.28, 18,830,339.28 and 3,577,878

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Solution

The fourth proportional to 12,553,559.28, 18,830,339.28 and 3,577,878 is: 5,366,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,559.28 : 18,830,339.28 = 3,577,878 : x
  2. Step 2: Convert to fraction form
    12,553,559.28/18,830,339.28 = 3,577,878/x
  3. Step 3: Cross multiply
    12,553,559.28x = 18,830,339.28 × 3,577,878
  4. Step 4: Simplify right side
    12,553,559.28x = 67,372,656,642,447.84
  5. Step 5: Solve for x
    x = 67,372,656,642,447.84/12,553,559.28
  6. Step 6: Final answer
    x = 5,366,817.10

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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.