Home / 10,888,939.40-16,314,746.70-7,100,472.20

Finding the Fourth Proportional to 10,888,939.40, 16,314,746.70 and 7,100,472.20

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Solution

The fourth proportional to 10,888,939.40, 16,314,746.70 and 7,100,472.20 is: 10,638,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,939.40 : 16,314,746.70 = 7,100,472.20 : x
  2. Step 2: Convert to fraction form
    10,888,939.40/16,314,746.70 = 7,100,472.20/x
  3. Step 3: Cross multiply
    10,888,939.40x = 16,314,746.70 × 7,100,472.20
  4. Step 4: Simplify right side
    10,888,939.40x = 115,842,405,393,391.73
  5. Step 5: Solve for x
    x = 115,842,405,393,391.73/10,888,939.40
  6. Step 6: Final answer
    x = 10,638,538.90

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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.