Home / 12,861,465.93-17,748,363.78-7,279,592.67

Finding the Fourth Proportional to 12,861,465.93, 17,748,363.78 and 7,279,592.67

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Solution

The fourth proportional to 12,861,465.93, 17,748,363.78 and 7,279,592.67 is: 10,045,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,465.93 : 17,748,363.78 = 7,279,592.67 : x
  2. Step 2: Convert to fraction form
    12,861,465.93/17,748,363.78 = 7,279,592.67/x
  3. Step 3: Cross multiply
    12,861,465.93x = 17,748,363.78 × 7,279,592.67
  4. Step 4: Simplify right side
    12,861,465.93x = 129,200,858,877,381.50
  5. Step 5: Solve for x
    x = 129,200,858,877,381.50/12,861,465.93
  6. Step 6: Final answer
    x = 10,045,577.98

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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.