Home / 9,178,739.64-12,666,971.70-5,049,077.94

Finding the Fourth Proportional to 9,178,739.64, 12,666,971.70 and 5,049,077.94

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Solution

The fourth proportional to 9,178,739.64, 12,666,971.70 and 5,049,077.94 is: 6,967,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,739.64 : 12,666,971.70 = 5,049,077.94 : x
  2. Step 2: Convert to fraction form
    9,178,739.64/12,666,971.70 = 5,049,077.94/x
  3. Step 3: Cross multiply
    9,178,739.64x = 12,666,971.70 × 5,049,077.94
  4. Step 4: Simplify right side
    9,178,739.64x = 63,956,527,377,074.30
  5. Step 5: Solve for x
    x = 63,956,527,377,074.30/9,178,739.64
  6. Step 6: Final answer
    x = 6,967,898.63

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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.