Home / 30,886,303.15-42,623,081.88-16,947,749.79

Finding the Fourth Proportional to 30,886,303.15, 42,623,081.88 and 16,947,749.79

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Solution

The fourth proportional to 30,886,303.15, 42,623,081.88 and 16,947,749.79 is: 23,387,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,303.15 : 42,623,081.88 = 16,947,749.79 : x
  2. Step 2: Convert to fraction form
    30,886,303.15/42,623,081.88 = 16,947,749.79/x
  3. Step 3: Cross multiply
    30,886,303.15x = 42,623,081.88 × 16,947,749.79
  4. Step 4: Simplify right side
    30,886,303.15x = 722,365,326,980,922.88
  5. Step 5: Solve for x
    x = 722,365,326,980,922.88/30,886,303.15
  6. Step 6: Final answer
    x = 23,387,885.67

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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.