Home / 16,720,351.76-23,072,240.43-9,376,673.64

Finding the Fourth Proportional to 16,720,351.76, 23,072,240.43 and 9,376,673.64

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Solution

The fourth proportional to 16,720,351.76, 23,072,240.43 and 9,376,673.64 is: 12,938,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,351.76 : 23,072,240.43 = 9,376,673.64 : x
  2. Step 2: Convert to fraction form
    16,720,351.76/23,072,240.43 = 9,376,673.64/x
  3. Step 3: Cross multiply
    16,720,351.76x = 23,072,240.43 × 9,376,673.64
  4. Step 4: Simplify right side
    16,720,351.76x = 216,340,868,655,723.28
  5. Step 5: Solve for x
    x = 216,340,868,655,723.28/16,720,351.76
  6. Step 6: Final answer
    x = 12,938,774.96

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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.