Home / 30,073,039.70-45,128,536.22-12,801,214.49

Finding the Fourth Proportional to 30,073,039.70, 45,128,536.22 and 12,801,214.49

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Solution

The fourth proportional to 30,073,039.70, 45,128,536.22 and 12,801,214.49 is: 19,209,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073,039.70 : 45,128,536.22 = 12,801,214.49 : x
  2. Step 2: Convert to fraction form
    30,073,039.70/45,128,536.22 = 12,801,214.49/x
  3. Step 3: Cross multiply
    30,073,039.70x = 45,128,536.22 × 12,801,214.49
  4. Step 4: Simplify right side
    30,073,039.70x = 577,700,071,578,314.12
  5. Step 5: Solve for x
    x = 577,700,071,578,314.12/30,073,039.70
  6. Step 6: Final answer
    x = 19,209,899.55

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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.