Home / 12,132,977.12-16,742,823.37-6,625,255.76

Finding the Fourth Proportional to 12,132,977.12, 16,742,823.37 and 6,625,255.76

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Solution

The fourth proportional to 12,132,977.12, 16,742,823.37 and 6,625,255.76 is: 9,142,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,977.12 : 16,742,823.37 = 6,625,255.76 : x
  2. Step 2: Convert to fraction form
    12,132,977.12/16,742,823.37 = 6,625,255.76/x
  3. Step 3: Cross multiply
    12,132,977.12x = 16,742,823.37 × 6,625,255.76
  4. Step 4: Simplify right side
    12,132,977.12x = 110,925,486,870,477.84
  5. Step 5: Solve for x
    x = 110,925,486,870,477.84/12,132,977.12
  6. Step 6: Final answer
    x = 9,142,478.87

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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.