Home / 8,511,083.02-12,691,666.15-8,434,319.32

Finding the Fourth Proportional to 8,511,083.02, 12,691,666.15 and 8,434,319.32

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Solution

The fourth proportional to 8,511,083.02, 12,691,666.15 and 8,434,319.32 is: 12,577,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,083.02 : 12,691,666.15 = 8,434,319.32 : x
  2. Step 2: Convert to fraction form
    8,511,083.02/12,691,666.15 = 8,434,319.32/x
  3. Step 3: Cross multiply
    8,511,083.02x = 12,691,666.15 × 8,434,319.32
  4. Step 4: Simplify right side
    8,511,083.02x = 107,045,565,033,020.81
  5. Step 5: Solve for x
    x = 107,045,565,033,020.81/8,511,083.02
  6. Step 6: Final answer
    x = 12,577,196.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.