Home / 21,057,328.94-31,585,993.40-7,594,156.94

Finding the Fourth Proportional to 21,057,328.94, 31,585,993.40 and 7,594,156.94

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Solution

The fourth proportional to 21,057,328.94, 31,585,993.40 and 7,594,156.94 is: 11,391,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,328.94 : 31,585,993.40 = 7,594,156.94 : x
  2. Step 2: Convert to fraction form
    21,057,328.94/31,585,993.40 = 7,594,156.94/x
  3. Step 3: Cross multiply
    21,057,328.94x = 31,585,993.40 × 7,594,156.94
  4. Step 4: Simplify right side
    21,057,328.94x = 239,868,990,846,459.59
  5. Step 5: Solve for x
    x = 239,868,990,846,459.59/21,057,328.94
  6. Step 6: Final answer
    x = 11,391,235.40

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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.