Home / 27,790,289.34-38,350,689.63-15,400,587.15

Finding the Fourth Proportional to 27,790,289.34, 38,350,689.63 and 15,400,587.15

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Solution

The fourth proportional to 27,790,289.34, 38,350,689.63 and 15,400,587.15 is: 21,252,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790,289.34 : 38,350,689.63 = 15,400,587.15 : x
  2. Step 2: Convert to fraction form
    27,790,289.34/38,350,689.63 = 15,400,587.15/x
  3. Step 3: Cross multiply
    27,790,289.34x = 38,350,689.63 × 15,400,587.15
  4. Step 4: Simplify right side
    27,790,289.34x = 590,623,137,909,416.25
  5. Step 5: Solve for x
    x = 590,623,137,909,416.25/27,790,289.34
  6. Step 6: Final answer
    x = 21,252,860.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.