Home / 7,831,111.85-11,746,667.78-7,724,823.65

Finding the Fourth Proportional to 7,831,111.85, 11,746,667.78 and 7,724,823.65

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Solution

The fourth proportional to 7,831,111.85, 11,746,667.78 and 7,724,823.65 is: 11,587,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,111.85 : 11,746,667.78 = 7,724,823.65 : x
  2. Step 2: Convert to fraction form
    7,831,111.85/11,746,667.78 = 7,724,823.65/x
  3. Step 3: Cross multiply
    7,831,111.85x = 11,746,667.78 × 7,724,823.65
  4. Step 4: Simplify right side
    7,831,111.85x = 90,740,937,037,012.89
  5. Step 5: Solve for x
    x = 90,740,937,037,012.89/7,831,111.85
  6. Step 6: Final answer
    x = 11,587,235.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.