Home / 18,146,458.80-27,219,688.20-9,076,532.40

Finding the Fourth Proportional to 18,146,458.80, 27,219,688.20 and 9,076,532.40

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Solution

The fourth proportional to 18,146,458.80, 27,219,688.20 and 9,076,532.40 is: 13,614,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,458.80 : 27,219,688.20 = 9,076,532.40 : x
  2. Step 2: Convert to fraction form
    18,146,458.80/27,219,688.20 = 9,076,532.40/x
  3. Step 3: Cross multiply
    18,146,458.80x = 27,219,688.20 × 9,076,532.40
  4. Step 4: Simplify right side
    18,146,458.80x = 247,060,381,865,197.69
  5. Step 5: Solve for x
    x = 247,060,381,865,197.69/18,146,458.80
  6. Step 6: Final answer
    x = 13,614,798.60

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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.