Home / 21,799,415.65-32,698,959.43-5,623,991.86

Finding the Fourth Proportional to 21,799,415.65, 32,698,959.43 and 5,623,991.86

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Solution

The fourth proportional to 21,799,415.65, 32,698,959.43 and 5,623,991.86 is: 8,435,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799,415.65 : 32,698,959.43 = 5,623,991.86 : x
  2. Step 2: Convert to fraction form
    21,799,415.65/32,698,959.43 = 5,623,991.86/x
  3. Step 3: Cross multiply
    21,799,415.65x = 32,698,959.43 × 5,623,991.86
  4. Step 4: Simplify right side
    21,799,415.65x = 183,898,681,664,790.25
  5. Step 5: Solve for x
    x = 183,898,681,664,790.25/21,799,415.65
  6. Step 6: Final answer
    x = 8,435,945.47

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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.