Home / 30,077,955.15-41,508,238.01-18,317,774.67

Finding the Fourth Proportional to 30,077,955.15, 41,508,238.01 and 18,317,774.67

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Solution

The fourth proportional to 30,077,955.15, 41,508,238.01 and 18,317,774.67 is: 25,278,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077,955.15 : 41,508,238.01 = 18,317,774.67 : x
  2. Step 2: Convert to fraction form
    30,077,955.15/41,508,238.01 = 18,317,774.67/x
  3. Step 3: Cross multiply
    30,077,955.15x = 41,508,238.01 × 18,317,774.67
  4. Step 4: Simplify right side
    30,077,955.15x = 760,338,550,815,909.25
  5. Step 5: Solve for x
    x = 760,338,550,815,909.25/30,077,955.15
  6. Step 6: Final answer
    x = 25,278,930.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.