Home / 7,290,817.20-10,915,230.60-4,456,465.20

Finding the Fourth Proportional to 7,290,817.20, 10,915,230.60 and 4,456,465.20

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Solution

The fourth proportional to 7,290,817.20, 10,915,230.60 and 4,456,465.20 is: 6,671,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,817.20 : 10,915,230.60 = 4,456,465.20 : x
  2. Step 2: Convert to fraction form
    7,290,817.20/10,915,230.60 = 4,456,465.20/x
  3. Step 3: Cross multiply
    7,290,817.20x = 10,915,230.60 × 4,456,465.20
  4. Step 4: Simplify right side
    7,290,817.20x = 48,643,345,318,875.12
  5. Step 5: Solve for x
    x = 48,643,345,318,875.12/7,290,817.20
  6. Step 6: Final answer
    x = 6,671,864.62

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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.