Home / 9,774,485.75-13,488,883.47-5,423,976.96

Finding the Fourth Proportional to 9,774,485.75, 13,488,883.47 and 5,423,976.96

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Solution

The fourth proportional to 9,774,485.75, 13,488,883.47 and 5,423,976.96 is: 7,485,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774,485.75 : 13,488,883.47 = 5,423,976.96 : x
  2. Step 2: Convert to fraction form
    9,774,485.75/13,488,883.47 = 5,423,976.96/x
  3. Step 3: Cross multiply
    9,774,485.75x = 13,488,883.47 × 5,423,976.96
  4. Step 4: Simplify right side
    9,774,485.75x = 73,163,393,157,404.86
  5. Step 5: Solve for x
    x = 73,163,393,157,404.86/9,774,485.75
  6. Step 6: Final answer
    x = 7,485,139.89

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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.