Home / 40,112,120.66-60,173,894.02-12,448,428.25

Finding the Fourth Proportional to 40,112,120.66, 60,173,894.02 and 12,448,428.25

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Solution

The fourth proportional to 40,112,120.66, 60,173,894.02 and 12,448,428.25 is: 18,674,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112,120.66 : 60,173,894.02 = 12,448,428.25 : x
  2. Step 2: Convert to fraction form
    40,112,120.66/60,173,894.02 = 12,448,428.25/x
  3. Step 3: Cross multiply
    40,112,120.66x = 60,173,894.02 × 12,448,428.25
  4. Step 4: Simplify right side
    40,112,120.66x = 749,070,402,231,074.12
  5. Step 5: Solve for x
    x = 749,070,402,231,074.12/40,112,120.66
  6. Step 6: Final answer
    x = 18,674,415.36

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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.