Home / 12,909,302.62-19,366,055.13-3,812,320.06

Finding the Fourth Proportional to 12,909,302.62, 19,366,055.13 and 3,812,320.06

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Solution

The fourth proportional to 12,909,302.62, 19,366,055.13 and 3,812,320.06 is: 5,719,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,302.62 : 19,366,055.13 = 3,812,320.06 : x
  2. Step 2: Convert to fraction form
    12,909,302.62/19,366,055.13 = 3,812,320.06/x
  3. Step 3: Cross multiply
    12,909,302.62x = 19,366,055.13 × 3,812,320.06
  4. Step 4: Simplify right side
    12,909,302.62x = 73,829,600,455,164.91
  5. Step 5: Solve for x
    x = 73,829,600,455,164.91/12,909,302.62
  6. Step 6: Final answer
    x = 5,719,100.61

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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.