Home / 18,166,295.20-27,249,442.80-7,380,011.20

Finding the Fourth Proportional to 18,166,295.20, 27,249,442.80 and 7,380,011.20

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Solution

The fourth proportional to 18,166,295.20, 27,249,442.80 and 7,380,011.20 is: 11,070,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,295.20 : 27,249,442.80 = 7,380,011.20 : x
  2. Step 2: Convert to fraction form
    18,166,295.20/27,249,442.80 = 7,380,011.20/x
  3. Step 3: Cross multiply
    18,166,295.20x = 27,249,442.80 × 7,380,011.20
  4. Step 4: Simplify right side
    18,166,295.20x = 201,101,193,057,759.38
  5. Step 5: Solve for x
    x = 201,101,193,057,759.38/18,166,295.20
  6. Step 6: Final answer
    x = 11,070,016.80

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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.