Home / 9,051,719.12-12,491,285.64-4,921,751.77

Finding the Fourth Proportional to 9,051,719.12, 12,491,285.64 and 4,921,751.77

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Solution

The fourth proportional to 9,051,719.12, 12,491,285.64 and 4,921,751.77 is: 6,791,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051,719.12 : 12,491,285.64 = 4,921,751.77 : x
  2. Step 2: Convert to fraction form
    9,051,719.12/12,491,285.64 = 4,921,751.77/x
  3. Step 3: Cross multiply
    9,051,719.12x = 12,491,285.64 × 4,921,751.77
  4. Step 4: Simplify right side
    9,051,719.12x = 61,479,007,220,549.95
  5. Step 5: Solve for x
    x = 61,479,007,220,549.95/9,051,719.12
  6. Step 6: Final answer
    x = 6,791,970.28

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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.