Home / 7,528,327.88-10,389,187.06-4,090,626.32

Finding the Fourth Proportional to 7,528,327.88, 10,389,187.06 and 4,090,626.32

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Solution

The fourth proportional to 7,528,327.88, 10,389,187.06 and 4,090,626.32 is: 5,645,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,327.88 : 10,389,187.06 = 4,090,626.32 : x
  2. Step 2: Convert to fraction form
    7,528,327.88/10,389,187.06 = 4,090,626.32/x
  3. Step 3: Cross multiply
    7,528,327.88x = 10,389,187.06 × 4,090,626.32
  4. Step 4: Simplify right side
    7,528,327.88x = 42,498,282,031,039.42
  5. Step 5: Solve for x
    x = 42,498,282,031,039.42/7,528,327.88
  6. Step 6: Final answer
    x = 5,645,115.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.