Home / 12,918,808.14-19,377,568.08-4,831,189.20

Finding the Fourth Proportional to 12,918,808.14, 19,377,568.08 and 4,831,189.20

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Solution

The fourth proportional to 12,918,808.14, 19,377,568.08 and 4,831,189.20 is: 7,246,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,808.14 : 19,377,568.08 = 4,831,189.20 : x
  2. Step 2: Convert to fraction form
    12,918,808.14/19,377,568.08 = 4,831,189.20/x
  3. Step 3: Cross multiply
    12,918,808.14x = 19,377,568.08 × 4,831,189.20
  4. Step 4: Simplify right side
    12,918,808.14x = 93,616,697,630,360.73
  5. Step 5: Solve for x
    x = 93,616,697,630,360.73/12,918,808.14
  6. Step 6: Final answer
    x = 7,246,542.92

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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.