Home / 12,662,465.77-18,999,428.60-4,983,996.25

Finding the Fourth Proportional to 12,662,465.77, 18,999,428.60 and 4,983,996.25

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Solution

The fourth proportional to 12,662,465.77, 18,999,428.60 and 4,983,996.25 is: 7,478,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,465.77 : 18,999,428.60 = 4,983,996.25 : x
  2. Step 2: Convert to fraction form
    12,662,465.77/18,999,428.60 = 4,983,996.25/x
  3. Step 3: Cross multiply
    12,662,465.77x = 18,999,428.60 × 4,983,996.25
  4. Step 4: Simplify right side
    12,662,465.77x = 94,693,080,894,542.75
  5. Step 5: Solve for x
    x = 94,693,080,894,542.75/12,662,465.77
  6. Step 6: Final answer
    x = 7,478,249.70

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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.