Home / 31,920,012.10-47,880,018.15-21,842,316.10

Finding the Fourth Proportional to 31,920,012.10, 47,880,018.15 and 21,842,316.10

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Solution

The fourth proportional to 31,920,012.10, 47,880,018.15 and 21,842,316.10 is: 32,763,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,012.10 : 47,880,018.15 = 21,842,316.10 : x
  2. Step 2: Convert to fraction form
    31,920,012.10/47,880,018.15 = 21,842,316.10/x
  3. Step 3: Cross multiply
    31,920,012.10x = 47,880,018.15 × 21,842,316.10
  4. Step 4: Simplify right side
    31,920,012.10x = 1,045,810,491,306,037.25
  5. Step 5: Solve for x
    x = 1,045,810,491,306,037.25/31,920,012.10
  6. Step 6: Final answer
    x = 32,763,474.15

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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.