Home / 40,112,121.71-60,173,895.63-12,448,429.31

Finding the Fourth Proportional to 40,112,121.71, 60,173,895.63 and 12,448,429.31

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Solution

The fourth proportional to 40,112,121.71, 60,173,895.63 and 12,448,429.31 is: 18,674,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112,121.71 : 60,173,895.63 = 12,448,429.31 : x
  2. Step 2: Convert to fraction form
    40,112,121.71/60,173,895.63 = 12,448,429.31/x
  3. Step 3: Cross multiply
    40,112,121.71x = 60,173,895.63 × 12,448,429.31
  4. Step 4: Simplify right side
    40,112,121.71x = 749,070,486,057,373
  5. Step 5: Solve for x
    x = 749,070,486,057,373/40,112,121.71
  6. Step 6: Final answer
    x = 18,674,416.96

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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.