Home / 8,620,886.32-12,936,370.92-4,785,938.08

Finding the Fourth Proportional to 8,620,886.32, 12,936,370.92 and 4,785,938.08

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Solution

The fourth proportional to 8,620,886.32, 12,936,370.92 and 4,785,938.08 is: 7,181,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,886.32 : 12,936,370.92 = 4,785,938.08 : x
  2. Step 2: Convert to fraction form
    8,620,886.32/12,936,370.92 = 4,785,938.08/x
  3. Step 3: Cross multiply
    8,620,886.32x = 12,936,370.92 × 4,785,938.08
  4. Step 4: Simplify right side
    8,620,886.32x = 61,912,670,203,032.63
  5. Step 5: Solve for x
    x = 61,912,670,203,032.63/8,620,886.32
  6. Step 6: Final answer
    x = 7,181,705.91

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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.