Home / 12,232,458.90-16,879,168.62-7,584,548.49

Finding the Fourth Proportional to 12,232,458.90, 16,879,168.62 and 7,584,548.49

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Solution

The fourth proportional to 12,232,458.90, 16,879,168.62 and 7,584,548.49 is: 10,465,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,458.90 : 16,879,168.62 = 7,584,548.49 : x
  2. Step 2: Convert to fraction form
    12,232,458.90/16,879,168.62 = 7,584,548.49/x
  3. Step 3: Cross multiply
    12,232,458.90x = 16,879,168.62 × 7,584,548.49
  4. Step 4: Simplify right side
    12,232,458.90x = 128,020,872,869,276.39
  5. Step 5: Solve for x
    x = 128,020,872,869,276.39/12,232,458.90
  6. Step 6: Final answer
    x = 10,465,669.57

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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.