Home / 12,687,058.39-17,508,308.54-6,885,909.67

Finding the Fourth Proportional to 12,687,058.39, 17,508,308.54 and 6,885,909.67

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Solution

The fourth proportional to 12,687,058.39, 17,508,308.54 and 6,885,909.67 is: 9,502,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,058.39 : 17,508,308.54 = 6,885,909.67 : x
  2. Step 2: Convert to fraction form
    12,687,058.39/17,508,308.54 = 6,885,909.67/x
  3. Step 3: Cross multiply
    12,687,058.39x = 17,508,308.54 × 6,885,909.67
  4. Step 4: Simplify right side
    12,687,058.39x = 120,560,630,958,958.50
  5. Step 5: Solve for x
    x = 120,560,630,958,958.50/12,687,058.39
  6. Step 6: Final answer
    x = 9,502,646.50

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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.