Home / 19,960,330.80-29,940,496.20-10,890,404.40

Finding the Fourth Proportional to 19,960,330.80, 29,940,496.20 and 10,890,404.40

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Solution

The fourth proportional to 19,960,330.80, 29,940,496.20 and 10,890,404.40 is: 16,335,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,330.80 : 29,940,496.20 = 10,890,404.40 : x
  2. Step 2: Convert to fraction form
    19,960,330.80/29,940,496.20 = 10,890,404.40/x
  3. Step 3: Cross multiply
    19,960,330.80x = 29,940,496.20 × 10,890,404.40
  4. Step 4: Simplify right side
    19,960,330.80x = 326,064,111,554,663.31
  5. Step 5: Solve for x
    x = 326,064,111,554,663.31/19,960,330.80
  6. Step 6: Final answer
    x = 16,335,606.60

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1.5x scale

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.