Home / 18,971,982.51-28,453,714.58-8,727,002.88

Finding the Fourth Proportional to 18,971,982.51, 28,453,714.58 and 8,727,002.88

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Solution

The fourth proportional to 18,971,982.51, 28,453,714.58 and 8,727,002.88 is: 13,088,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,982.51 : 28,453,714.58 = 8,727,002.88 : x
  2. Step 2: Convert to fraction form
    18,971,982.51/28,453,714.58 = 8,727,002.88/x
  3. Step 3: Cross multiply
    18,971,982.51x = 28,453,714.58 × 8,727,002.88
  4. Step 4: Simplify right side
    18,971,982.51x = 248,315,648,952,384.72
  5. Step 5: Solve for x
    x = 248,315,648,952,384.72/18,971,982.51
  6. Step 6: Final answer
    x = 13,088,545.11

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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.