Home / 13,692,982.68-18,896,906.52-7,581,411

Finding the Fourth Proportional to 13,692,982.68, 18,896,906.52 and 7,581,411

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Solution

The fourth proportional to 13,692,982.68, 18,896,906.52 and 7,581,411 is: 10,462,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,982.68 : 18,896,906.52 = 7,581,411 : x
  2. Step 2: Convert to fraction form
    13,692,982.68/18,896,906.52 = 7,581,411/x
  3. Step 3: Cross multiply
    13,692,982.68x = 18,896,906.52 × 7,581,411
  4. Step 4: Simplify right side
    13,692,982.68x = 143,265,214,956,699.72
  5. Step 5: Solve for x
    x = 143,265,214,956,699.72/13,692,982.68
  6. Step 6: Final answer
    x = 10,462,674.08

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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.