Home / 13,105,746.70-19,658,620.05-11,830,288.30

Finding the Fourth Proportional to 13,105,746.70, 19,658,620.05 and 11,830,288.30

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Solution

The fourth proportional to 13,105,746.70, 19,658,620.05 and 11,830,288.30 is: 17,745,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,746.70 : 19,658,620.05 = 11,830,288.30 : x
  2. Step 2: Convert to fraction form
    13,105,746.70/19,658,620.05 = 11,830,288.30/x
  3. Step 3: Cross multiply
    13,105,746.70x = 19,658,620.05 × 11,830,288.30
  4. Step 4: Simplify right side
    13,105,746.70x = 232,567,142,771,660.44
  5. Step 5: Solve for x
    x = 232,567,142,771,660.44/13,105,746.70
  6. Step 6: Final answer
    x = 17,745,432.45

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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.