Home / 13,012,828.70-17,935,289.04-8,654,126.76

Finding the Fourth Proportional to 13,012,828.70, 17,935,289.04 and 8,654,126.76

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Solution

The fourth proportional to 13,012,828.70, 17,935,289.04 and 8,654,126.76 is: 11,927,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,828.70 : 17,935,289.04 = 8,654,126.76 : x
  2. Step 2: Convert to fraction form
    13,012,828.70/17,935,289.04 = 8,654,126.76/x
  3. Step 3: Cross multiply
    13,012,828.70x = 17,935,289.04 × 8,654,126.76
  4. Step 4: Simplify right side
    13,012,828.70x = 155,214,264,786,128.06
  5. Step 5: Solve for x
    x = 155,214,264,786,128.06/13,012,828.70
  6. Step 6: Final answer
    x = 11,927,788.22

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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.