Home / 7,216,435.16-9,958,651.08-3,953,245.40

Finding the Fourth Proportional to 7,216,435.16, 9,958,651.08 and 3,953,245.40

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Solution

The fourth proportional to 7,216,435.16, 9,958,651.08 and 3,953,245.40 is: 5,455,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,435.16 : 9,958,651.08 = 3,953,245.40 : x
  2. Step 2: Convert to fraction form
    7,216,435.16/9,958,651.08 = 3,953,245.40/x
  3. Step 3: Cross multiply
    7,216,435.16x = 9,958,651.08 × 3,953,245.40
  4. Step 4: Simplify right side
    7,216,435.16x = 39,368,991,572,215.03
  5. Step 5: Solve for x
    x = 39,368,991,572,215.03/7,216,435.16
  6. Step 6: Final answer
    x = 5,455,462.52

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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.