Home / 8,992,491.75-12,408,888.56-5,072,031.81

Finding the Fourth Proportional to 8,992,491.75, 12,408,888.56 and 5,072,031.81

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Solution

The fourth proportional to 8,992,491.75, 12,408,888.56 and 5,072,031.81 is: 6,998,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,491.75 : 12,408,888.56 = 5,072,031.81 : x
  2. Step 2: Convert to fraction form
    8,992,491.75/12,408,888.56 = 5,072,031.81/x
  3. Step 3: Cross multiply
    8,992,491.75x = 12,408,888.56 × 5,072,031.81
  4. Step 4: Simplify right side
    8,992,491.75x = 62,938,277,477,704.93
  5. Step 5: Solve for x
    x = 62,938,277,477,704.93/8,992,491.75
  6. Step 6: Final answer
    x = 6,998,980.84

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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.