Home / 40,284,216.66-60,438,116.31-12,989,960.49

Finding the Fourth Proportional to 40,284,216.66, 60,438,116.31 and 12,989,960.49

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Solution

The fourth proportional to 40,284,216.66, 60,438,116.31 and 12,989,960.49 is: 19,488,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,216.66 : 60,438,116.31 = 12,989,960.49 : x
  2. Step 2: Convert to fraction form
    40,284,216.66/60,438,116.31 = 12,989,960.49/x
  3. Step 3: Cross multiply
    40,284,216.66x = 60,438,116.31 × 12,989,960.49
  4. Step 4: Simplify right side
    40,284,216.66x = 785,088,742,956,924.62
  5. Step 5: Solve for x
    x = 785,088,742,956,924.62/40,284,216.66
  6. Step 6: Final answer
    x = 19,488,742.94

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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.