Home / 12,860,219.04-19,367,312.27-11,712,306.48

Finding the Fourth Proportional to 12,860,219.04, 19,367,312.27 and 11,712,306.48

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Solution

The fourth proportional to 12,860,219.04, 19,367,312.27 and 11,712,306.48 is: 17,638,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,219.04 : 19,367,312.27 = 11,712,306.48 : x
  2. Step 2: Convert to fraction form
    12,860,219.04/19,367,312.27 = 11,712,306.48/x
  3. Step 3: Cross multiply
    12,860,219.04x = 19,367,312.27 × 11,712,306.48
  4. Step 4: Simplify right side
    12,860,219.04x = 226,835,896,934,797.28
  5. Step 5: Solve for x
    x = 226,835,896,934,797.28/12,860,219.04
  6. Step 6: Final answer
    x = 17,638,571.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.