Home / 13,907,039.51-19,191,350.86-7,712,070.44

Finding the Fourth Proportional to 13,907,039.51, 19,191,350.86 and 7,712,070.44

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Solution

The fourth proportional to 13,907,039.51, 19,191,350.86 and 7,712,070.44 is: 10,642,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,039.51 : 19,191,350.86 = 7,712,070.44 : x
  2. Step 2: Convert to fraction form
    13,907,039.51/19,191,350.86 = 7,712,070.44/x
  3. Step 3: Cross multiply
    13,907,039.51x = 19,191,350.86 × 7,712,070.44
  4. Step 4: Simplify right side
    13,907,039.51x = 148,005,049,555,837.66
  5. Step 5: Solve for x
    x = 148,005,049,555,837.66/13,907,039.51
  6. Step 6: Final answer
    x = 10,642,455.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.