Home / 12,662,466.78-18,999,430.10-4,983,997.26

Finding the Fourth Proportional to 12,662,466.78, 18,999,430.10 and 4,983,997.26

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Solution

The fourth proportional to 12,662,466.78, 18,999,430.10 and 4,983,997.26 is: 7,478,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,466.78 : 18,999,430.10 = 4,983,997.26 : x
  2. Step 2: Convert to fraction form
    12,662,466.78/18,999,430.10 = 4,983,997.26/x
  3. Step 3: Cross multiply
    12,662,466.78x = 18,999,430.10 × 4,983,997.26
  4. Step 4: Simplify right side
    12,662,466.78x = 94,693,107,559,961.53
  5. Step 5: Solve for x
    x = 94,693,107,559,961.53/12,662,466.78
  6. Step 6: Final answer
    x = 7,478,251.21

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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.