Home / 10,158,638.90-14,014,930.78-5,805,389.75

Finding the Fourth Proportional to 10,158,638.90, 14,014,930.78 and 5,805,389.75

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Solution

The fourth proportional to 10,158,638.90, 14,014,930.78 and 5,805,389.75 is: 8,009,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158,638.90 : 14,014,930.78 = 5,805,389.75 : x
  2. Step 2: Convert to fraction form
    10,158,638.90/14,014,930.78 = 5,805,389.75/x
  3. Step 3: Cross multiply
    10,158,638.90x = 14,014,930.78 × 5,805,389.75
  4. Step 4: Simplify right side
    10,158,638.90x = 81,362,135,497,171.50
  5. Step 5: Solve for x
    x = 81,362,135,497,171.50/10,158,638.90
  6. Step 6: Final answer
    x = 8,009,157.16

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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.