Home / 18,438,861.30-25,444,961.63-10,178,746.27

Finding the Fourth Proportional to 18,438,861.30, 25,444,961.63 and 10,178,746.27

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Solution

The fourth proportional to 18,438,861.30, 25,444,961.63 and 10,178,746.27 is: 14,046,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,861.30 : 25,444,961.63 = 10,178,746.27 : x
  2. Step 2: Convert to fraction form
    18,438,861.30/25,444,961.63 = 10,178,746.27/x
  3. Step 3: Cross multiply
    18,438,861.30x = 25,444,961.63 × 10,178,746.27
  4. Step 4: Simplify right side
    18,438,861.30x = 258,997,808,205,319.78
  5. Step 5: Solve for x
    x = 258,997,808,205,319.78/18,438,861.30
  6. Step 6: Final answer
    x = 14,046,301.67

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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.