Home / 10,618,885.12-14,654,076-5,789,989.12

Finding the Fourth Proportional to 10,618,885.12, 14,654,076 and 5,789,989.12

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Solution

The fourth proportional to 10,618,885.12, 14,654,076 and 5,789,989.12 is: 7,990,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,885.12 : 14,654,076 = 5,789,989.12 : x
  2. Step 2: Convert to fraction form
    10,618,885.12/14,654,076 = 5,789,989.12/x
  3. Step 3: Cross multiply
    10,618,885.12x = 14,654,076 × 5,789,989.12
  4. Step 4: Simplify right side
    10,618,885.12x = 84,846,940,603,653.12
  5. Step 5: Solve for x
    x = 84,846,940,603,653.12/10,618,885.12
  6. Step 6: Final answer
    x = 7,990,192.91

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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.