Home / 13,318,300.62-19,979,970.84-4,222,689.12

Finding the Fourth Proportional to 13,318,300.62, 19,979,970.84 and 4,222,689.12

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Solution

The fourth proportional to 13,318,300.62, 19,979,970.84 and 4,222,689.12 is: 6,334,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318,300.62 : 19,979,970.84 = 4,222,689.12 : x
  2. Step 2: Convert to fraction form
    13,318,300.62/19,979,970.84 = 4,222,689.12/x
  3. Step 3: Cross multiply
    13,318,300.62x = 19,979,970.84 × 4,222,689.12
  4. Step 4: Simplify right side
    13,318,300.62x = 84,369,205,483,985.27
  5. Step 5: Solve for x
    x = 84,369,205,483,985.27/13,318,300.62
  6. Step 6: Final answer
    x = 6,334,832.64

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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.