Home / 13,488,345.70-20,232,518.55-9,378,535.30

Finding the Fourth Proportional to 13,488,345.70, 20,232,518.55 and 9,378,535.30

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Solution

The fourth proportional to 13,488,345.70, 20,232,518.55 and 9,378,535.30 is: 14,067,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,345.70 : 20,232,518.55 = 9,378,535.30 : x
  2. Step 2: Convert to fraction form
    13,488,345.70/20,232,518.55 = 9,378,535.30/x
  3. Step 3: Cross multiply
    13,488,345.70x = 20,232,518.55 × 9,378,535.30
  4. Step 4: Simplify right side
    13,488,345.70x = 189,751,389,429,079.84
  5. Step 5: Solve for x
    x = 189,751,389,429,079.84/13,488,345.70
  6. Step 6: Final answer
    x = 14,067,802.95

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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.