Home / 12,586,223.78-18,879,444.93-4,066,561.16

Finding the Fourth Proportional to 12,586,223.78, 18,879,444.93 and 4,066,561.16

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Solution

The fourth proportional to 12,586,223.78, 18,879,444.93 and 4,066,561.16 is: 6,099,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,223.78 : 18,879,444.93 = 4,066,561.16 : x
  2. Step 2: Convert to fraction form
    12,586,223.78/18,879,444.93 = 4,066,561.16/x
  3. Step 3: Cross multiply
    12,586,223.78x = 18,879,444.93 × 4,066,561.16
  4. Step 4: Simplify right side
    12,586,223.78x = 76,774,417,474,696.92
  5. Step 5: Solve for x
    x = 76,774,417,474,696.92/12,586,223.78
  6. Step 6: Final answer
    x = 6,099,877.04

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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.