Home / 8,637,279.21-11,919,449.84-4,717,089

Finding the Fourth Proportional to 8,637,279.21, 11,919,449.84 and 4,717,089

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Solution

The fourth proportional to 8,637,279.21, 11,919,449.84 and 4,717,089 is: 6,509,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,279.21 : 11,919,449.84 = 4,717,089 : x
  2. Step 2: Convert to fraction form
    8,637,279.21/11,919,449.84 = 4,717,089/x
  3. Step 3: Cross multiply
    8,637,279.21x = 11,919,449.84 × 4,717,089
  4. Step 4: Simplify right side
    8,637,279.21x = 56,225,105,702,730.32
  5. Step 5: Solve for x
    x = 56,225,105,702,730.32/8,637,279.21
  6. Step 6: Final answer
    x = 6,509,585.29

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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.