Home / 15,769,210.81-21,761,470.25-8,799,814.08

Finding the Fourth Proportional to 15,769,210.81, 21,761,470.25 and 8,799,814.08

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Solution

The fourth proportional to 15,769,210.81, 21,761,470.25 and 8,799,814.08 is: 12,143,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,210.81 : 21,761,470.25 = 8,799,814.08 : x
  2. Step 2: Convert to fraction form
    15,769,210.81/21,761,470.25 = 8,799,814.08/x
  3. Step 3: Cross multiply
    15,769,210.81x = 21,761,470.25 × 8,799,814.08
  4. Step 4: Simplify right side
    15,769,210.81x = 191,496,892,154,644.69
  5. Step 5: Solve for x
    x = 191,496,892,154,644.69/15,769,210.81
  6. Step 6: Final answer
    x = 12,143,720.73

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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.