Home / 26,872,709.79-40,302,421.12-11,518,258.20

Finding the Fourth Proportional to 26,872,709.79, 40,302,421.12 and 11,518,258.20

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Solution

The fourth proportional to 26,872,709.79, 40,302,421.12 and 11,518,258.20 is: 17,274,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872,709.79 : 40,302,421.12 = 11,518,258.20 : x
  2. Step 2: Convert to fraction form
    26,872,709.79/40,302,421.12 = 11,518,258.20/x
  3. Step 3: Cross multiply
    26,872,709.79x = 40,302,421.12 × 11,518,258.20
  4. Step 4: Simplify right side
    26,872,709.79x = 464,213,692,545,293.12
  5. Step 5: Solve for x
    x = 464,213,692,545,293.12/26,872,709.79
  6. Step 6: Final answer
    x = 17,274,539.72

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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.