Home / 7,128,939.04-10,677,918.84-4,388,132.32

Finding the Fourth Proportional to 7,128,939.04, 10,677,918.84 and 4,388,132.32

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Solution

The fourth proportional to 7,128,939.04, 10,677,918.84 and 4,388,132.32 is: 6,572,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,939.04 : 10,677,918.84 = 4,388,132.32 : x
  2. Step 2: Convert to fraction form
    7,128,939.04/10,677,918.84 = 4,388,132.32/x
  3. Step 3: Cross multiply
    7,128,939.04x = 10,677,918.84 × 4,388,132.32
  4. Step 4: Simplify right side
    7,128,939.04x = 46,856,120,772,140.91
  5. Step 5: Solve for x
    x = 46,856,120,772,140.91/7,128,939.04
  6. Step 6: Final answer
    x = 6,572,663.97

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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.