Home / 13,622,890.24-20,411,210.64-8,220,187.84

Finding the Fourth Proportional to 13,622,890.24, 20,411,210.64 and 8,220,187.84

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Solution

The fourth proportional to 13,622,890.24, 20,411,210.64 and 8,220,187.84 is: 12,316,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,890.24 : 20,411,210.64 = 8,220,187.84 : x
  2. Step 2: Convert to fraction form
    13,622,890.24/20,411,210.64 = 8,220,187.84/x
  3. Step 3: Cross multiply
    13,622,890.24x = 20,411,210.64 × 8,220,187.84
  4. Step 4: Simplify right side
    13,622,890.24x = 167,783,985,502,606.62
  5. Step 5: Solve for x
    x = 167,783,985,502,606.62/13,622,890.24
  6. Step 6: Final answer
    x = 12,316,328.07

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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.