Home / 8,318,621.71-11,477,730.55-4,831,888.65

Finding the Fourth Proportional to 8,318,621.71, 11,477,730.55 and 4,831,888.65

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Solution

The fourth proportional to 8,318,621.71, 11,477,730.55 and 4,831,888.65 is: 6,666,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,621.71 : 11,477,730.55 = 4,831,888.65 : x
  2. Step 2: Convert to fraction form
    8,318,621.71/11,477,730.55 = 4,831,888.65/x
  3. Step 3: Cross multiply
    8,318,621.71x = 11,477,730.55 × 4,831,888.65
  4. Step 4: Simplify right side
    8,318,621.71x = 55,459,115,939,833.95
  5. Step 5: Solve for x
    x = 55,459,115,939,833.95/8,318,621.71
  6. Step 6: Final answer
    x = 6,666,863.56

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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.