Home / 7,566,980.61-10,442,655.36-4,129,443.48

Finding the Fourth Proportional to 7,566,980.61, 10,442,655.36 and 4,129,443.48

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Solution

The fourth proportional to 7,566,980.61, 10,442,655.36 and 4,129,443.48 is: 5,698,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566,980.61 : 10,442,655.36 = 4,129,443.48 : x
  2. Step 2: Convert to fraction form
    7,566,980.61/10,442,655.36 = 4,129,443.48/x
  3. Step 3: Cross multiply
    7,566,980.61x = 10,442,655.36 × 4,129,443.48
  4. Step 4: Simplify right side
    7,566,980.61x = 43,122,355,090,239.05
  5. Step 5: Solve for x
    x = 43,122,355,090,239.05/7,566,980.61
  6. Step 6: Final answer
    x = 5,698,753.22

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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.