Home / 13,122,040.30-19,683,060.45-12,085,730.35

Finding the Fourth Proportional to 13,122,040.30, 19,683,060.45 and 12,085,730.35

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Solution

The fourth proportional to 13,122,040.30, 19,683,060.45 and 12,085,730.35 is: 18,128,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,040.30 : 19,683,060.45 = 12,085,730.35 : x
  2. Step 2: Convert to fraction form
    13,122,040.30/19,683,060.45 = 12,085,730.35/x
  3. Step 3: Cross multiply
    13,122,040.30x = 19,683,060.45 × 12,085,730.35
  4. Step 4: Simplify right side
    13,122,040.30x = 237,884,161,061,449.66
  5. Step 5: Solve for x
    x = 237,884,161,061,449.66/13,122,040.30
  6. Step 6: Final answer
    x = 18,128,595.53

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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.