Home / 8,129,585.76-12,194,384.10-2,064,772.32

Finding the Fourth Proportional to 8,129,585.76, 12,194,384.10 and 2,064,772.32

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Solution

The fourth proportional to 8,129,585.76, 12,194,384.10 and 2,064,772.32 is: 3,097,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,585.76 : 12,194,384.10 = 2,064,772.32 : x
  2. Step 2: Convert to fraction form
    8,129,585.76/12,194,384.10 = 2,064,772.32/x
  3. Step 3: Cross multiply
    8,129,585.76x = 12,194,384.10 × 2,064,772.32
  4. Step 4: Simplify right side
    8,129,585.76x = 25,178,626,749,128.11
  5. Step 5: Solve for x
    x = 25,178,626,749,128.11/8,129,585.76
  6. Step 6: Final answer
    x = 3,097,159.87

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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.