Home / 5,357,572.90-7,386,415.28-3,866,173.08

Finding the Fourth Proportional to 5,357,572.90, 7,386,415.28 and 3,866,173.08

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Solution

The fourth proportional to 5,357,572.90, 7,386,415.28 and 3,866,173.08 is: 5,330,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,572.90 : 7,386,415.28 = 3,866,173.08 : x
  2. Step 2: Convert to fraction form
    5,357,572.90/7,386,415.28 = 3,866,173.08/x
  3. Step 3: Cross multiply
    5,357,572.90x = 7,386,415.28 × 3,866,173.08
  4. Step 4: Simplify right side
    5,357,572.90x = 28,557,159,913,236.66
  5. Step 5: Solve for x
    x = 28,557,159,913,236.66/5,357,572.90
  6. Step 6: Final answer
    x = 5,330,241.97

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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.