Home / 13,158,487.89-18,153,152.91-8,808,975.45

Finding the Fourth Proportional to 13,158,487.89, 18,153,152.91 and 8,808,975.45

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Solution

The fourth proportional to 13,158,487.89, 18,153,152.91 and 8,808,975.45 is: 12,152,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,487.89 : 18,153,152.91 = 8,808,975.45 : x
  2. Step 2: Convert to fraction form
    13,158,487.89/18,153,152.91 = 8,808,975.45/x
  3. Step 3: Cross multiply
    13,158,487.89x = 18,153,152.91 × 8,808,975.45
  4. Step 4: Simplify right side
    13,158,487.89x = 159,910,678,324,286.06
  5. Step 5: Solve for x
    x = 159,910,678,324,286.06/13,158,487.89
  6. Step 6: Final answer
    x = 12,152,663.71

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1.5x scale

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.