Home / 7,528,526.28-10,389,344.82-4,090,766.40

Finding the Fourth Proportional to 7,528,526.28, 10,389,344.82 and 4,090,766.40

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Solution

The fourth proportional to 7,528,526.28, 10,389,344.82 and 4,090,766.40 is: 5,645,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,526.28 : 10,389,344.82 = 4,090,766.40 : x
  2. Step 2: Convert to fraction form
    7,528,526.28/10,389,344.82 = 4,090,766.40/x
  3. Step 3: Cross multiply
    7,528,526.28x = 10,389,344.82 × 4,090,766.40
  4. Step 4: Simplify right side
    7,528,526.28x = 42,500,382,707,670.05
  5. Step 5: Solve for x
    x = 42,500,382,707,670.05/7,528,526.28
  6. Step 6: Final answer
    x = 5,645,245.98

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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.