Home / 15,750,513-21,735,722.52-8,507,169

Finding the Fourth Proportional to 15,750,513, 21,735,722.52 and 8,507,169

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Solution

The fourth proportional to 15,750,513, 21,735,722.52 and 8,507,169 is: 11,739,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750,513 : 21,735,722.52 = 8,507,169 : x
  2. Step 2: Convert to fraction form
    15,750,513/21,735,722.52 = 8,507,169/x
  3. Step 3: Cross multiply
    15,750,513x = 21,735,722.52 × 8,507,169
  4. Step 4: Simplify right side
    15,750,513x = 184,909,464,814,745.88
  5. Step 5: Solve for x
    x = 184,909,464,814,745.88/15,750,513
  6. Step 6: Final answer
    x = 11,739,901.09

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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.