Home / 8,913,751.22-12,312,515.60-7,371,243.72

Finding the Fourth Proportional to 8,913,751.22, 12,312,515.60 and 7,371,243.72

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Solution

The fourth proportional to 8,913,751.22, 12,312,515.60 and 7,371,243.72 is: 10,181,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,751.22 : 12,312,515.60 = 7,371,243.72 : x
  2. Step 2: Convert to fraction form
    8,913,751.22/12,312,515.60 = 7,371,243.72/x
  3. Step 3: Cross multiply
    8,913,751.22x = 12,312,515.60 × 7,371,243.72
  4. Step 4: Simplify right side
    8,913,751.22x = 90,758,553,328,057.75
  5. Step 5: Solve for x
    x = 90,758,553,328,057.75/8,913,751.22
  6. Step 6: Final answer
    x = 10,181,858.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.