Home / 13,695,065.79-18,895,945.76-8,110,492.35

Finding the Fourth Proportional to 13,695,065.79, 18,895,945.76 and 8,110,492.35

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Solution

The fourth proportional to 13,695,065.79, 18,895,945.76 and 8,110,492.35 is: 11,190,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695,065.79 : 18,895,945.76 = 8,110,492.35 : x
  2. Step 2: Convert to fraction form
    13,695,065.79/18,895,945.76 = 8,110,492.35/x
  3. Step 3: Cross multiply
    13,695,065.79x = 18,895,945.76 × 8,110,492.35
  4. Step 4: Simplify right side
    13,695,065.79x = 153,255,423,491,942.47
  5. Step 5: Solve for x
    x = 153,255,423,491,942.47/13,695,065.79
  6. Step 6: Final answer
    x = 11,190,557.67

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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.