Home / 7,025,368.50-9,695,024.73-3,928,002.21

Finding the Fourth Proportional to 7,025,368.50, 9,695,024.73 and 3,928,002.21

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Solution

The fourth proportional to 7,025,368.50, 9,695,024.73 and 3,928,002.21 is: 5,420,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,368.50 : 9,695,024.73 = 3,928,002.21 : x
  2. Step 2: Convert to fraction form
    7,025,368.50/9,695,024.73 = 3,928,002.21/x
  3. Step 3: Cross multiply
    7,025,368.50x = 9,695,024.73 × 3,928,002.21
  4. Step 4: Simplify right side
    7,025,368.50x = 38,082,078,565,444.66
  5. Step 5: Solve for x
    x = 38,082,078,565,444.66/7,025,368.50
  6. Step 6: Final answer
    x = 5,420,652.11

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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.