Home / 18,191,674.40-27,287,511.60-7,403,422.10

Finding the Fourth Proportional to 18,191,674.40, 27,287,511.60 and 7,403,422.10

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Solution

The fourth proportional to 18,191,674.40, 27,287,511.60 and 7,403,422.10 is: 11,105,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,674.40 : 27,287,511.60 = 7,403,422.10 : x
  2. Step 2: Convert to fraction form
    18,191,674.40/27,287,511.60 = 7,403,422.10/x
  3. Step 3: Cross multiply
    18,191,674.40x = 27,287,511.60 × 7,403,422.10
  4. Step 4: Simplify right side
    18,191,674.40x = 202,020,966,433,446.38
  5. Step 5: Solve for x
    x = 202,020,966,433,446.38/18,191,674.40
  6. Step 6: Final answer
    x = 11,105,133.15

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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.