Home / 27,218,006.20-40,827,009.30-18,595,977.40

Finding the Fourth Proportional to 27,218,006.20, 40,827,009.30 and 18,595,977.40

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Solution

The fourth proportional to 27,218,006.20, 40,827,009.30 and 18,595,977.40 is: 27,893,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,006.20 : 40,827,009.30 = 18,595,977.40 : x
  2. Step 2: Convert to fraction form
    27,218,006.20/40,827,009.30 = 18,595,977.40/x
  3. Step 3: Cross multiply
    27,218,006.20x = 40,827,009.30 × 18,595,977.40
  4. Step 4: Simplify right side
    27,218,006.20x = 759,218,142,252,389.75
  5. Step 5: Solve for x
    x = 759,218,142,252,389.75/27,218,006.20
  6. Step 6: Final answer
    x = 27,893,966.10

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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.