Home / 7,528,521.25-10,389,337.95-4,090,761.37

Finding the Fourth Proportional to 7,528,521.25, 10,389,337.95 and 4,090,761.37

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Solution

The fourth proportional to 7,528,521.25, 10,389,337.95 and 4,090,761.37 is: 5,645,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,521.25 : 10,389,337.95 = 4,090,761.37 : x
  2. Step 2: Convert to fraction form
    7,528,521.25/10,389,337.95 = 4,090,761.37/x
  3. Step 3: Cross multiply
    7,528,521.25x = 10,389,337.95 × 4,090,761.37
  4. Step 4: Simplify right side
    7,528,521.25x = 42,500,302,345,734.99
  5. Step 5: Solve for x
    x = 42,500,302,345,734.99/7,528,521.25
  6. Step 6: Final answer
    x = 5,645,239.08

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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.