Home / 13,122,045.30-19,683,067.95-3,538,392.60

Finding the Fourth Proportional to 13,122,045.30, 19,683,067.95 and 3,538,392.60

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Solution

The fourth proportional to 13,122,045.30, 19,683,067.95 and 3,538,392.60 is: 5,307,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,045.30 : 19,683,067.95 = 3,538,392.60 : x
  2. Step 2: Convert to fraction form
    13,122,045.30/19,683,067.95 = 3,538,392.60/x
  3. Step 3: Cross multiply
    13,122,045.30x = 19,683,067.95 × 3,538,392.60
  4. Step 4: Simplify right side
    13,122,045.30x = 69,646,421,979,577.17
  5. Step 5: Solve for x
    x = 69,646,421,979,577.17/13,122,045.30
  6. Step 6: Final answer
    x = 5,307,588.90

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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.