Home / 12,988,999.40-19,486,263.90-4,014,458.60

Finding the Fourth Proportional to 12,988,999.40, 19,486,263.90 and 4,014,458.60

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Solution

The fourth proportional to 12,988,999.40, 19,486,263.90 and 4,014,458.60 is: 6,022,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,999.40 : 19,486,263.90 = 4,014,458.60 : x
  2. Step 2: Convert to fraction form
    12,988,999.40/19,486,263.90 = 4,014,458.60/x
  3. Step 3: Cross multiply
    12,988,999.40x = 19,486,263.90 × 4,014,458.60
  4. Step 4: Simplify right side
    12,988,999.40x = 78,226,799,695,224.53
  5. Step 5: Solve for x
    x = 78,226,799,695,224.53/12,988,999.40
  6. Step 6: Final answer
    x = 6,022,542.41

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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.