Home / 8,606,466.76-12,905,967.64-2,925,165.64

Finding the Fourth Proportional to 8,606,466.76, 12,905,967.64 and 2,925,165.64

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Solution

The fourth proportional to 8,606,466.76, 12,905,967.64 and 2,925,165.64 is: 4,386,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,466.76 : 12,905,967.64 = 2,925,165.64 : x
  2. Step 2: Convert to fraction form
    8,606,466.76/12,905,967.64 = 2,925,165.64/x
  3. Step 3: Cross multiply
    8,606,466.76x = 12,905,967.64 × 2,925,165.64
  4. Step 4: Simplify right side
    8,606,466.76x = 37,752,093,091,479.89
  5. Step 5: Solve for x
    x = 37,752,093,091,479.89/8,606,466.76
  6. Step 6: Final answer
    x = 4,386,479.86

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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.