Home / 27,708,402.30-38,238,776.07-15,485,258.94

Finding the Fourth Proportional to 27,708,402.30, 38,238,776.07 and 15,485,258.94

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Solution

The fourth proportional to 27,708,402.30, 38,238,776.07 and 15,485,258.94 is: 21,370,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,402.30 : 38,238,776.07 = 15,485,258.94 : x
  2. Step 2: Convert to fraction form
    27,708,402.30/38,238,776.07 = 15,485,258.94/x
  3. Step 3: Cross multiply
    27,708,402.30x = 38,238,776.07 × 15,485,258.94
  4. Step 4: Simplify right side
    27,708,402.30x = 592,137,348,992,625.50
  5. Step 5: Solve for x
    x = 592,137,348,992,625.50/27,708,402.30
  6. Step 6: Final answer
    x = 21,370,317.30

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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.