Home / 13,500,282.56-18,630,439.32-7,305,329.35

Finding the Fourth Proportional to 13,500,282.56, 18,630,439.32 and 7,305,329.35

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Solution

The fourth proportional to 13,500,282.56, 18,630,439.32 and 7,305,329.35 is: 10,081,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,282.56 : 18,630,439.32 = 7,305,329.35 : x
  2. Step 2: Convert to fraction form
    13,500,282.56/18,630,439.32 = 7,305,329.35/x
  3. Step 3: Cross multiply
    13,500,282.56x = 18,630,439.32 × 7,305,329.35
  4. Step 4: Simplify right side
    13,500,282.56x = 136,101,495,218,473.08
  5. Step 5: Solve for x
    x = 136,101,495,218,473.08/13,500,282.56
  6. Step 6: Final answer
    x = 10,081,381.24

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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.