Home / 12,345,581.40-18,518,372.10-3,370,133.40

Finding the Fourth Proportional to 12,345,581.40, 18,518,372.10 and 3,370,133.40

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Solution

The fourth proportional to 12,345,581.40, 18,518,372.10 and 3,370,133.40 is: 5,055,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,581.40 : 18,518,372.10 = 3,370,133.40 : x
  2. Step 2: Convert to fraction form
    12,345,581.40/18,518,372.10 = 3,370,133.40/x
  3. Step 3: Cross multiply
    12,345,581.40x = 18,518,372.10 × 3,370,133.40
  4. Step 4: Simplify right side
    12,345,581.40x = 62,409,384,327,838.14
  5. Step 5: Solve for x
    x = 62,409,384,327,838.14/12,345,581.40
  6. Step 6: Final answer
    x = 5,055,200.10

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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.