Home / 15,847,430.28-21,869,405.01-8,783,473.94

Finding the Fourth Proportional to 15,847,430.28, 21,869,405.01 and 8,783,473.94

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Solution

The fourth proportional to 15,847,430.28, 21,869,405.01 and 8,783,473.94 is: 12,121,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847,430.28 : 21,869,405.01 = 8,783,473.94 : x
  2. Step 2: Convert to fraction form
    15,847,430.28/21,869,405.01 = 8,783,473.94/x
  3. Step 3: Cross multiply
    15,847,430.28x = 21,869,405.01 × 8,783,473.94
  4. Step 4: Simplify right side
    15,847,430.28x = 192,089,348,879,293.44
  5. Step 5: Solve for x
    x = 192,089,348,879,293.44/15,847,430.28
  6. Step 6: Final answer
    x = 12,121,167.00

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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.