Home / 18,146,041.60-27,219,062.40-6,784,139.20

Finding the Fourth Proportional to 18,146,041.60, 27,219,062.40 and 6,784,139.20

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Solution

The fourth proportional to 18,146,041.60, 27,219,062.40 and 6,784,139.20 is: 10,176,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,041.60 : 27,219,062.40 = 6,784,139.20 : x
  2. Step 2: Convert to fraction form
    18,146,041.60/27,219,062.40 = 6,784,139.20/x
  3. Step 3: Cross multiply
    18,146,041.60x = 27,219,062.40 × 6,784,139.20
  4. Step 4: Simplify right side
    18,146,041.60x = 184,657,908,215,086.06
  5. Step 5: Solve for x
    x = 184,657,908,215,086.06/18,146,041.60
  6. Step 6: Final answer
    x = 10,176,208.80

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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.