Home / 10,395,090.36-15,581,640-3,915,362.02

Finding the Fourth Proportional to 10,395,090.36, 15,581,640 and 3,915,362.02

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Solution

The fourth proportional to 10,395,090.36, 15,581,640 and 3,915,362.02 is: 5,868,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395,090.36 : 15,581,640 = 3,915,362.02 : x
  2. Step 2: Convert to fraction form
    10,395,090.36/15,581,640 = 3,915,362.02/x
  3. Step 3: Cross multiply
    10,395,090.36x = 15,581,640 × 3,915,362.02
  4. Step 4: Simplify right side
    10,395,090.36x = 61,007,761,465,312.80
  5. Step 5: Solve for x
    x = 61,007,761,465,312.80/10,395,090.36
  6. Step 6: Final answer
    x = 5,868,901.51

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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.