Home / 9,689,968.80-14,534,953.20-7,800,400.80

Finding the Fourth Proportional to 9,689,968.80, 14,534,953.20 and 7,800,400.80

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Solution

The fourth proportional to 9,689,968.80, 14,534,953.20 and 7,800,400.80 is: 11,700,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,968.80 : 14,534,953.20 = 7,800,400.80 : x
  2. Step 2: Convert to fraction form
    9,689,968.80/14,534,953.20 = 7,800,400.80/x
  3. Step 3: Cross multiply
    9,689,968.80x = 14,534,953.20 × 7,800,400.80
  4. Step 4: Simplify right side
    9,689,968.80x = 113,378,460,569,242.55
  5. Step 5: Solve for x
    x = 113,378,460,569,242.55/9,689,968.80
  6. Step 6: Final answer
    x = 11,700,601.20

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Double scale
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Similar ratio
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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.