Home / 10,219,054.79-15,315,960.01-8,769,549.47

Finding the Fourth Proportional to 10,219,054.79, 15,315,960.01 and 8,769,549.47

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Solution

The fourth proportional to 10,219,054.79, 15,315,960.01 and 8,769,549.47 is: 13,143,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219,054.79 : 15,315,960.01 = 8,769,549.47 : x
  2. Step 2: Convert to fraction form
    10,219,054.79/15,315,960.01 = 8,769,549.47/x
  3. Step 3: Cross multiply
    10,219,054.79x = 15,315,960.01 × 8,769,549.47
  4. Step 4: Simplify right side
    10,219,054.79x = 134,314,068,906,175.92
  5. Step 5: Solve for x
    x = 134,314,068,906,175.92/10,219,054.79
  6. Step 6: Final answer
    x = 13,143,492.39

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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.