Home / 30,865,896.79-46,294,338.31-9,000,400.35

Finding the Fourth Proportional to 30,865,896.79, 46,294,338.31 and 9,000,400.35

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Solution

The fourth proportional to 30,865,896.79, 46,294,338.31 and 9,000,400.35 is: 13,499,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,896.79 : 46,294,338.31 = 9,000,400.35 : x
  2. Step 2: Convert to fraction form
    30,865,896.79/46,294,338.31 = 9,000,400.35/x
  3. Step 3: Cross multiply
    30,865,896.79x = 46,294,338.31 × 9,000,400.35
  4. Step 4: Simplify right side
    30,865,896.79x = 416,667,578,879,445.12
  5. Step 5: Solve for x
    x = 416,667,578,879,445.12/30,865,896.79
  6. Step 6: Final answer
    x = 13,499,286.34

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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.