Home / 14,778,430.32-20,408,318.10-13,973,307.96

Finding the Fourth Proportional to 14,778,430.32, 20,408,318.10 and 13,973,307.96

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Solution

The fourth proportional to 14,778,430.32, 20,408,318.10 and 13,973,307.96 is: 19,296,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778,430.32 : 20,408,318.10 = 13,973,307.96 : x
  2. Step 2: Convert to fraction form
    14,778,430.32/20,408,318.10 = 13,973,307.96/x
  3. Step 3: Cross multiply
    14,778,430.32x = 20,408,318.10 × 13,973,307.96
  4. Step 4: Simplify right side
    14,778,430.32x = 285,171,713,756,942.12
  5. Step 5: Solve for x
    x = 285,171,713,756,942.12/14,778,430.32
  6. Step 6: Final answer
    x = 19,296,481.94

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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.