Home / 12,909,272.88-19,366,010.88-3,812,290.56

Finding the Fourth Proportional to 12,909,272.88, 19,366,010.88 and 3,812,290.56

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Solution

The fourth proportional to 12,909,272.88, 19,366,010.88 and 3,812,290.56 is: 5,719,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,272.88 : 19,366,010.88 = 3,812,290.56 : x
  2. Step 2: Convert to fraction form
    12,909,272.88/19,366,010.88 = 3,812,290.56/x
  3. Step 3: Cross multiply
    12,909,272.88x = 19,366,010.88 × 3,812,290.56
  4. Step 4: Simplify right side
    12,909,272.88x = 73,828,860,462,681.30
  5. Step 5: Solve for x
    x = 73,828,860,462,681.30/12,909,272.88
  6. Step 6: Final answer
    x = 5,719,056.46

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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.