Home / 28,473,406.50-42,717,390.02-8,278,648.50

Finding the Fourth Proportional to 28,473,406.50, 42,717,390.02 and 8,278,648.50

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Solution

The fourth proportional to 28,473,406.50, 42,717,390.02 and 8,278,648.50 is: 12,420,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,406.50 : 42,717,390.02 = 8,278,648.50 : x
  2. Step 2: Convert to fraction form
    28,473,406.50/42,717,390.02 = 8,278,648.50/x
  3. Step 3: Cross multiply
    28,473,406.50x = 42,717,390.02 × 8,278,648.50
  4. Step 4: Simplify right side
    28,473,406.50x = 353,642,256,620,097.62
  5. Step 5: Solve for x
    x = 353,642,256,620,097.62/28,473,406.50
  6. Step 6: Final answer
    x = 12,420,089.49

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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.