Home / 12,884,881.22-19,285,265.31-9,472,264.34

Finding the Fourth Proportional to 12,884,881.22, 19,285,265.31 and 9,472,264.34

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Solution

The fourth proportional to 12,884,881.22, 19,285,265.31 and 9,472,264.34 is: 14,177,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,881.22 : 19,285,265.31 = 9,472,264.34 : x
  2. Step 2: Convert to fraction form
    12,884,881.22/19,285,265.31 = 9,472,264.34/x
  3. Step 3: Cross multiply
    12,884,881.22x = 19,285,265.31 × 9,472,264.34
  4. Step 4: Simplify right side
    12,884,881.22x = 182,675,130,883,352.03
  5. Step 5: Solve for x
    x = 182,675,130,883,352.03/12,884,881.22
  6. Step 6: Final answer
    x = 14,177,478.84

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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.