Home / 9,715,865.98-13,409,077.19-5,641,484.86

Finding the Fourth Proportional to 9,715,865.98, 13,409,077.19 and 5,641,484.86

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Solution

The fourth proportional to 9,715,865.98, 13,409,077.19 and 5,641,484.86 is: 7,785,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,865.98 : 13,409,077.19 = 5,641,484.86 : x
  2. Step 2: Convert to fraction form
    9,715,865.98/13,409,077.19 = 5,641,484.86/x
  3. Step 3: Cross multiply
    9,715,865.98x = 13,409,077.19 × 5,641,484.86
  4. Step 4: Simplify right side
    9,715,865.98x = 75,647,105,953,956.34
  5. Step 5: Solve for x
    x = 75,647,105,953,956.34/9,715,865.98
  6. Step 6: Final answer
    x = 7,785,935.51

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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.