Home / 21,899,611.65-30,221,659.80-12,110,714.40

Finding the Fourth Proportional to 21,899,611.65, 30,221,659.80 and 12,110,714.40

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Solution

The fourth proportional to 21,899,611.65, 30,221,659.80 and 12,110,714.40 is: 16,712,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,611.65 : 30,221,659.80 = 12,110,714.40 : x
  2. Step 2: Convert to fraction form
    21,899,611.65/30,221,659.80 = 12,110,714.40/x
  3. Step 3: Cross multiply
    21,899,611.65x = 30,221,659.80 × 12,110,714.40
  4. Step 4: Simplify right side
    21,899,611.65x = 366,005,890,531,761.12
  5. Step 5: Solve for x
    x = 366,005,890,531,761.12/21,899,611.65
  6. Step 6: Final answer
    x = 16,712,894.11

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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.