Home / 7,528,239.12-10,389,033.36-4,090,480.20

Finding the Fourth Proportional to 7,528,239.12, 10,389,033.36 and 4,090,480.20

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Solution

The fourth proportional to 7,528,239.12, 10,389,033.36 and 4,090,480.20 is: 5,644,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,239.12 : 10,389,033.36 = 4,090,480.20 : x
  2. Step 2: Convert to fraction form
    7,528,239.12/10,389,033.36 = 4,090,480.20/x
  3. Step 3: Cross multiply
    7,528,239.12x = 10,389,033.36 × 4,090,480.20
  4. Step 4: Simplify right side
    7,528,239.12x = 42,496,135,256,219.47
  5. Step 5: Solve for x
    x = 42,496,135,256,219.47/7,528,239.12
  6. Step 6: Final answer
    x = 5,644,897.11

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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.