Home / 6,670,482.57-10,005,618.46-2,121,465.77

Finding the Fourth Proportional to 6,670,482.57, 10,005,618.46 and 2,121,465.77

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Solution

The fourth proportional to 6,670,482.57, 10,005,618.46 and 2,121,465.77 is: 3,182,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,482.57 : 10,005,618.46 = 2,121,465.77 : x
  2. Step 2: Convert to fraction form
    6,670,482.57/10,005,618.46 = 2,121,465.77/x
  3. Step 3: Cross multiply
    6,670,482.57x = 10,005,618.46 × 2,121,465.77
  4. Step 4: Simplify right side
    6,670,482.57x = 21,226,577,070,570.12
  5. Step 5: Solve for x
    x = 21,226,577,070,570.12/6,670,482.57
  6. Step 6: Final answer
    x = 3,182,165.14

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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.