Home / 8,980,020.40-13,470,030.60-2,590,481.20

Finding the Fourth Proportional to 8,980,020.40, 13,470,030.60 and 2,590,481.20

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Solution

The fourth proportional to 8,980,020.40, 13,470,030.60 and 2,590,481.20 is: 3,885,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980,020.40 : 13,470,030.60 = 2,590,481.20 : x
  2. Step 2: Convert to fraction form
    8,980,020.40/13,470,030.60 = 2,590,481.20/x
  3. Step 3: Cross multiply
    8,980,020.40x = 13,470,030.60 × 2,590,481.20
  4. Step 4: Simplify right side
    8,980,020.40x = 34,893,861,032,724.72
  5. Step 5: Solve for x
    x = 34,893,861,032,724.72/8,980,020.40
  6. Step 6: Final answer
    x = 3,885,721.80

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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.