Home / 13,250,557.35-18,285,659.15-7,449,364.89

Finding the Fourth Proportional to 13,250,557.35, 18,285,659.15 and 7,449,364.89

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Solution

The fourth proportional to 13,250,557.35, 18,285,659.15 and 7,449,364.89 is: 10,280,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,557.35 : 18,285,659.15 = 7,449,364.89 : x
  2. Step 2: Convert to fraction form
    13,250,557.35/18,285,659.15 = 7,449,364.89/x
  3. Step 3: Cross multiply
    13,250,557.35x = 18,285,659.15 × 7,449,364.89
  4. Step 4: Simplify right side
    13,250,557.35x = 136,216,547,225,270.41
  5. Step 5: Solve for x
    x = 136,216,547,225,270.41/13,250,557.35
  6. Step 6: Final answer
    x = 10,280,061.71

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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.