Home / 21,400,907.45-32,094,617.90-7,020,624.29

Finding the Fourth Proportional to 21,400,907.45, 32,094,617.90 and 7,020,624.29

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Solution

The fourth proportional to 21,400,907.45, 32,094,617.90 and 7,020,624.29 is: 10,528,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,907.45 : 32,094,617.90 = 7,020,624.29 : x
  2. Step 2: Convert to fraction form
    21,400,907.45/32,094,617.90 = 7,020,624.29/x
  3. Step 3: Cross multiply
    21,400,907.45x = 32,094,617.90 × 7,020,624.29
  4. Step 4: Simplify right side
    21,400,907.45x = 225,324,253,811,432.59
  5. Step 5: Solve for x
    x = 225,324,253,811,432.59/21,400,907.45
  6. Step 6: Final answer
    x = 10,528,724.28

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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.