Home / 15,705,685.80-23,576,243.40-12,127,316.40

Finding the Fourth Proportional to 15,705,685.80, 23,576,243.40 and 12,127,316.40

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Solution

The fourth proportional to 15,705,685.80, 23,576,243.40 and 12,127,316.40 is: 18,204,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705,685.80 : 23,576,243.40 = 12,127,316.40 : x
  2. Step 2: Convert to fraction form
    15,705,685.80/23,576,243.40 = 12,127,316.40/x
  3. Step 3: Cross multiply
    15,705,685.80x = 23,576,243.40 × 12,127,316.40
  4. Step 4: Simplify right side
    15,705,685.80x = 285,916,563,235,211.75
  5. Step 5: Solve for x
    x = 285,916,563,235,211.75/15,705,685.80
  6. Step 6: Final answer
    x = 18,204,653.20

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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.