Home / 12,726,569.18-19,090,031.52-3,628,670.36

Finding the Fourth Proportional to 12,726,569.18, 19,090,031.52 and 3,628,670.36

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Solution

The fourth proportional to 12,726,569.18, 19,090,031.52 and 3,628,670.36 is: 5,443,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,569.18 : 19,090,031.52 = 3,628,670.36 : x
  2. Step 2: Convert to fraction form
    12,726,569.18/19,090,031.52 = 3,628,670.36/x
  3. Step 3: Cross multiply
    12,726,569.18x = 19,090,031.52 × 3,628,670.36
  4. Step 4: Simplify right side
    12,726,569.18x = 69,271,431,548,089.74
  5. Step 5: Solve for x
    x = 69,271,431,548,089.74/12,726,569.18
  6. Step 6: Final answer
    x = 5,443,056.22

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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.