Home / 21,915,184.48-30,243,846.90-12,125,470.12

Finding the Fourth Proportional to 21,915,184.48, 30,243,846.90 and 12,125,470.12

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Solution

The fourth proportional to 21,915,184.48, 30,243,846.90 and 12,125,470.12 is: 16,733,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,184.48 : 30,243,846.90 = 12,125,470.12 : x
  2. Step 2: Convert to fraction form
    21,915,184.48/30,243,846.90 = 12,125,470.12/x
  3. Step 3: Cross multiply
    21,915,184.48x = 30,243,846.90 × 12,125,470.12
  4. Step 4: Simplify right side
    21,915,184.48x = 366,720,861,899,804.56
  5. Step 5: Solve for x
    x = 366,720,861,899,804.56/21,915,184.48
  6. Step 6: Final answer
    x = 16,733,642.48

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1.5x scale

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.