Home / 7,815,579.20-11,723,368.80-5,264,662.40

Finding the Fourth Proportional to 7,815,579.20, 11,723,368.80 and 5,264,662.40

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Solution

The fourth proportional to 7,815,579.20, 11,723,368.80 and 5,264,662.40 is: 7,896,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,579.20 : 11,723,368.80 = 5,264,662.40 : x
  2. Step 2: Convert to fraction form
    7,815,579.20/11,723,368.80 = 5,264,662.40/x
  3. Step 3: Cross multiply
    7,815,579.20x = 11,723,368.80 × 5,264,662.40
  4. Step 4: Simplify right side
    7,815,579.20x = 61,719,578,922,693.12
  5. Step 5: Solve for x
    x = 61,719,578,922,693.12/7,815,579.20
  6. Step 6: Final answer
    x = 7,896,993.60

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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.