Home / 12,678,660.24-17,483,318.24-7,521,025.34

Finding the Fourth Proportional to 12,678,660.24, 17,483,318.24 and 7,521,025.34

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Solution

The fourth proportional to 12,678,660.24, 17,483,318.24 and 7,521,025.34 is: 10,371,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,660.24 : 17,483,318.24 = 7,521,025.34 : x
  2. Step 2: Convert to fraction form
    12,678,660.24/17,483,318.24 = 7,521,025.34/x
  3. Step 3: Cross multiply
    12,678,660.24x = 17,483,318.24 × 7,521,025.34
  4. Step 4: Simplify right side
    12,678,660.24x = 131,492,479,385,302.48
  5. Step 5: Solve for x
    x = 131,492,479,385,302.48/12,678,660.24
  6. Step 6: Final answer
    x = 10,371,165.16

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1.5x scale

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.