Home / 40,419,512.32-60,633,349.44-13,124,663.68

Finding the Fourth Proportional to 40,419,512.32, 60,633,349.44 and 13,124,663.68

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Solution

The fourth proportional to 40,419,512.32, 60,633,349.44 and 13,124,663.68 is: 19,688,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419,512.32 : 60,633,349.44 = 13,124,663.68 : x
  2. Step 2: Convert to fraction form
    40,419,512.32/60,633,349.44 = 13,124,663.68/x
  3. Step 3: Cross multiply
    40,419,512.32x = 60,633,349.44 × 13,124,663.68
  4. Step 4: Simplify right side
    40,419,512.32x = 795,792,319,191,916.25
  5. Step 5: Solve for x
    x = 795,792,319,191,916.25/40,419,512.32
  6. Step 6: Final answer
    x = 19,688,320.65

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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.