Home / 9,789,636.11-13,509,938.08-5,379,325.74

Finding the Fourth Proportional to 9,789,636.11, 13,509,938.08 and 5,379,325.74

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Solution

The fourth proportional to 9,789,636.11, 13,509,938.08 and 5,379,325.74 is: 7,423,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,636.11 : 13,509,938.08 = 5,379,325.74 : x
  2. Step 2: Convert to fraction form
    9,789,636.11/13,509,938.08 = 5,379,325.74/x
  3. Step 3: Cross multiply
    9,789,636.11x = 13,509,938.08 × 5,379,325.74
  4. Step 4: Simplify right side
    9,789,636.11x = 72,674,357,565,103.86
  5. Step 5: Solve for x
    x = 72,674,357,565,103.86/9,789,636.11
  6. Step 6: Final answer
    x = 7,423,601.53

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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.