Home / 12,909,312.96-19,366,071.04-3,812,330.56

Finding the Fourth Proportional to 12,909,312.96, 19,366,071.04 and 3,812,330.56

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Solution

The fourth proportional to 12,909,312.96, 19,366,071.04 and 3,812,330.56 is: 5,719,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,312.96 : 19,366,071.04 = 3,812,330.56 : x
  2. Step 2: Convert to fraction form
    12,909,312.96/19,366,071.04 = 3,812,330.56/x
  3. Step 3: Cross multiply
    12,909,312.96x = 19,366,071.04 × 3,812,330.56
  4. Step 4: Simplify right side
    12,909,312.96x = 73,829,864,452,922.98
  5. Step 5: Solve for x
    x = 73,829,864,452,922.98/12,909,312.96
  6. Step 6: Final answer
    x = 5,719,116.48

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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.