Home / 16,821,309.90-25,243,774.65-7,243,562.10

Finding the Fourth Proportional to 16,821,309.90, 25,243,774.65 and 7,243,562.10

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Solution

The fourth proportional to 16,821,309.90, 25,243,774.65 and 7,243,562.10 is: 10,870,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,309.90 : 25,243,774.65 = 7,243,562.10 : x
  2. Step 2: Convert to fraction form
    16,821,309.90/25,243,774.65 = 7,243,562.10/x
  3. Step 3: Cross multiply
    16,821,309.90x = 25,243,774.65 × 7,243,562.10
  4. Step 4: Simplify right side
    16,821,309.90x = 182,854,849,315,680.75
  5. Step 5: Solve for x
    x = 182,854,849,315,680.75/16,821,309.90
  6. Step 6: Final answer
    x = 10,870,428.66

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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.