Home / 30,144,887.39-45,220,028.39-11,700,400.58

Finding the Fourth Proportional to 30,144,887.39, 45,220,028.39 and 11,700,400.58

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Solution

The fourth proportional to 30,144,887.39, 45,220,028.39 and 11,700,400.58 is: 17,551,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144,887.39 : 45,220,028.39 = 11,700,400.58 : x
  2. Step 2: Convert to fraction form
    30,144,887.39/45,220,028.39 = 11,700,400.58/x
  3. Step 3: Cross multiply
    30,144,887.39x = 45,220,028.39 × 11,700,400.58
  4. Step 4: Simplify right side
    30,144,887.39x = 529,092,446,343,470.44
  5. Step 5: Solve for x
    x = 529,092,446,343,470.44/30,144,887.39
  6. Step 6: Final answer
    x = 17,551,647.80

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1.5x scale

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.