Home / 18,727,809.72-28,091,714.76-5,264,637.72

Finding the Fourth Proportional to 18,727,809.72, 28,091,714.76 and 5,264,637.72

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Solution

The fourth proportional to 18,727,809.72, 28,091,714.76 and 5,264,637.72 is: 7,896,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,809.72 : 28,091,714.76 = 5,264,637.72 : x
  2. Step 2: Convert to fraction form
    18,727,809.72/28,091,714.76 = 5,264,637.72/x
  3. Step 3: Cross multiply
    18,727,809.72x = 28,091,714.76 × 5,264,637.72
  4. Step 4: Simplify right side
    18,727,809.72x = 147,892,701,144,976.75
  5. Step 5: Solve for x
    x = 147,892,701,144,976.75/18,727,809.72
  6. Step 6: Final answer
    x = 7,896,956.63

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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.