Home / 10,076,278.60-15,114,417.90-9,684,368.20

Finding the Fourth Proportional to 10,076,278.60, 15,114,417.90 and 9,684,368.20

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Solution

The fourth proportional to 10,076,278.60, 15,114,417.90 and 9,684,368.20 is: 14,526,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076,278.60 : 15,114,417.90 = 9,684,368.20 : x
  2. Step 2: Convert to fraction form
    10,076,278.60/15,114,417.90 = 9,684,368.20/x
  3. Step 3: Cross multiply
    10,076,278.60x = 15,114,417.90 × 9,684,368.20
  4. Step 4: Simplify right side
    10,076,278.60x = 146,373,588,072,270.78
  5. Step 5: Solve for x
    x = 146,373,588,072,270.78/10,076,278.60
  6. Step 6: Final answer
    x = 14,526,552.30

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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.