Home / 10,076,278.10-15,114,417.15-9,684,367.70

Finding the Fourth Proportional to 10,076,278.10, 15,114,417.15 and 9,684,367.70

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Solution

The fourth proportional to 10,076,278.10, 15,114,417.15 and 9,684,367.70 is: 14,526,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076,278.10 : 15,114,417.15 = 9,684,367.70 : x
  2. Step 2: Convert to fraction form
    10,076,278.10/15,114,417.15 = 9,684,367.70/x
  3. Step 3: Cross multiply
    10,076,278.10x = 15,114,417.15 × 9,684,367.70
  4. Step 4: Simplify right side
    10,076,278.10x = 146,373,573,251,786.06
  5. Step 5: Solve for x
    x = 146,373,573,251,786.06/10,076,278.10
  6. Step 6: Final answer
    x = 14,526,551.55

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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.