Home / 21,323,458.40-29,423,843.77-12,030,486.70

Finding the Fourth Proportional to 21,323,458.40, 29,423,843.77 and 12,030,486.70

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Solution

The fourth proportional to 21,323,458.40, 29,423,843.77 and 12,030,486.70 is: 16,600,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,458.40 : 29,423,843.77 = 12,030,486.70 : x
  2. Step 2: Convert to fraction form
    21,323,458.40/29,423,843.77 = 12,030,486.70/x
  3. Step 3: Cross multiply
    21,323,458.40x = 29,423,843.77 × 12,030,486.70
  4. Step 4: Simplify right side
    21,323,458.40x = 353,983,161,137,862.81
  5. Step 5: Solve for x
    x = 353,983,161,137,862.81/21,323,458.40
  6. Step 6: Final answer
    x = 16,600,644.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.