Home / 40,112,120.71-60,173,894.13-12,448,428.31

Finding the Fourth Proportional to 40,112,120.71, 60,173,894.13 and 12,448,428.31

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Solution

The fourth proportional to 40,112,120.71, 60,173,894.13 and 12,448,428.31 is: 18,674,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112,120.71 : 60,173,894.13 = 12,448,428.31 : x
  2. Step 2: Convert to fraction form
    40,112,120.71/60,173,894.13 = 12,448,428.31/x
  3. Step 3: Cross multiply
    40,112,120.71x = 60,173,894.13 × 12,448,428.31
  4. Step 4: Simplify right side
    40,112,120.71x = 749,070,407,210,834.88
  5. Step 5: Solve for x
    x = 749,070,407,210,834.88/40,112,120.71
  6. Step 6: Final answer
    x = 18,674,415.46

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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.