Home / 13,500,276.93-18,630,431.54-7,305,323.70

Finding the Fourth Proportional to 13,500,276.93, 18,630,431.54 and 7,305,323.70

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Solution

The fourth proportional to 13,500,276.93, 18,630,431.54 and 7,305,323.70 is: 10,081,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,276.93 : 18,630,431.54 = 7,305,323.70 : x
  2. Step 2: Convert to fraction form
    13,500,276.93/18,630,431.54 = 7,305,323.70/x
  3. Step 3: Cross multiply
    13,500,276.93x = 18,630,431.54 × 7,305,323.70
  4. Step 4: Simplify right side
    13,500,276.93x = 136,101,333,033,862.89
  5. Step 5: Solve for x
    x = 136,101,333,033,862.89/13,500,276.93
  6. Step 6: Final answer
    x = 10,081,373.42

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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.