Home / 7,146,968.91-10,722,454.46-2,890,126.50

Finding the Fourth Proportional to 7,146,968.91, 10,722,454.46 and 2,890,126.50

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Solution

The fourth proportional to 7,146,968.91, 10,722,454.46 and 2,890,126.50 is: 4,335,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,968.91 : 10,722,454.46 = 2,890,126.50 : x
  2. Step 2: Convert to fraction form
    7,146,968.91/10,722,454.46 = 2,890,126.50/x
  3. Step 3: Cross multiply
    7,146,968.91x = 10,722,454.46 × 2,890,126.50
  4. Step 4: Simplify right side
    7,146,968.91x = 30,989,249,779,889.19
  5. Step 5: Solve for x
    x = 30,989,249,779,889.19/7,146,968.91
  6. Step 6: Final answer
    x = 4,335,998.96

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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.