Home / 12,525,918.11-18,791,818.69-3,889,572.67

Finding the Fourth Proportional to 12,525,918.11, 18,791,818.69 and 3,889,572.67

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Solution

The fourth proportional to 12,525,918.11, 18,791,818.69 and 3,889,572.67 is: 5,835,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,918.11 : 18,791,818.69 = 3,889,572.67 : x
  2. Step 2: Convert to fraction form
    12,525,918.11/18,791,818.69 = 3,889,572.67/x
  3. Step 3: Cross multiply
    12,525,918.11x = 18,791,818.69 × 3,889,572.67
  4. Step 4: Simplify right side
    12,525,918.11x = 73,092,144,300,636.53
  5. Step 5: Solve for x
    x = 73,092,144,300,636.53/12,525,918.11
  6. Step 6: Final answer
    x = 5,835,272.40

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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.