Home / 12,218,897.80-18,312,600.30-9,364,862.80

Finding the Fourth Proportional to 12,218,897.80, 18,312,600.30 and 9,364,862.80

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Solution

The fourth proportional to 12,218,897.80, 18,312,600.30 and 9,364,862.80 is: 14,035,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,897.80 : 18,312,600.30 = 9,364,862.80 : x
  2. Step 2: Convert to fraction form
    12,218,897.80/18,312,600.30 = 9,364,862.80/x
  3. Step 3: Cross multiply
    12,218,897.80x = 18,312,600.30 × 9,364,862.80
  4. Step 4: Simplify right side
    12,218,897.80x = 171,494,989,320,738.88
  5. Step 5: Solve for x
    x = 171,494,989,320,738.88/12,218,897.80
  6. Step 6: Final answer
    x = 14,035,225.77

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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.