Home / 45,253,430.61-67,880,768.73-12,905,336.62

Finding the Fourth Proportional to 45,253,430.61, 67,880,768.73 and 12,905,336.62

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Solution

The fourth proportional to 45,253,430.61, 67,880,768.73 and 12,905,336.62 is: 19,358,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253,430.61 : 67,880,768.73 = 12,905,336.62 : x
  2. Step 2: Convert to fraction form
    45,253,430.61/67,880,768.73 = 12,905,336.62/x
  3. Step 3: Cross multiply
    45,253,430.61x = 67,880,768.73 × 12,905,336.62
  4. Step 4: Simplify right side
    45,253,430.61x = 876,024,170,485,019.88
  5. Step 5: Solve for x
    x = 876,024,170,485,019.88/45,253,430.61
  6. Step 6: Final answer
    x = 19,358,182.54

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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.