Home / 18,155,445.80-27,201,675.90-11,762,407.40

Finding the Fourth Proportional to 18,155,445.80, 27,201,675.90 and 11,762,407.40

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Solution

The fourth proportional to 18,155,445.80, 27,201,675.90 and 11,762,407.40 is: 17,623,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,445.80 : 27,201,675.90 = 11,762,407.40 : x
  2. Step 2: Convert to fraction form
    18,155,445.80/27,201,675.90 = 11,762,407.40/x
  3. Step 3: Cross multiply
    18,155,445.80x = 27,201,675.90 × 11,762,407.40
  4. Step 4: Simplify right side
    18,155,445.80x = 319,957,193,898,561.62
  5. Step 5: Solve for x
    x = 319,957,193,898,561.62/18,155,445.80
  6. Step 6: Final answer
    x = 17,623,207.79

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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.