Home / 13,262,770-19,893,015.30-8,074,032.76

Finding the Fourth Proportional to 13,262,770, 19,893,015.30 and 8,074,032.76

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Solution

The fourth proportional to 13,262,770, 19,893,015.30 and 8,074,032.76 is: 12,110,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,770 : 19,893,015.30 = 8,074,032.76 : x
  2. Step 2: Convert to fraction form
    13,262,770/19,893,015.30 = 8,074,032.76/x
  3. Step 3: Cross multiply
    13,262,770x = 19,893,015.30 × 8,074,032.76
  4. Step 4: Simplify right side
    13,262,770x = 160,616,857,227,381.22
  5. Step 5: Solve for x
    x = 160,616,857,227,381.22/13,262,770
  6. Step 6: Final answer
    x = 12,110,355.32

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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.