Home / 8,969,442.65-13,458,363.02-3,920,097.05

Finding the Fourth Proportional to 8,969,442.65, 13,458,363.02 and 3,920,097.05

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Solution

The fourth proportional to 8,969,442.65, 13,458,363.02 and 3,920,097.05 is: 5,881,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,442.65 : 13,458,363.02 = 3,920,097.05 : x
  2. Step 2: Convert to fraction form
    8,969,442.65/13,458,363.02 = 3,920,097.05/x
  3. Step 3: Cross multiply
    8,969,442.65x = 13,458,363.02 × 3,920,097.05
  4. Step 4: Simplify right side
    8,969,442.65x = 52,758,089,172,531.09
  5. Step 5: Solve for x
    x = 52,758,089,172,531.09/8,969,442.65
  6. Step 6: Final answer
    x = 5,881,980.77

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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.