Home / 15,268,398-21,070,433.16-8,742,127.92

Finding the Fourth Proportional to 15,268,398, 21,070,433.16 and 8,742,127.92

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Solution

The fourth proportional to 15,268,398, 21,070,433.16 and 8,742,127.92 is: 12,064,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,398 : 21,070,433.16 = 8,742,127.92 : x
  2. Step 2: Convert to fraction form
    15,268,398/21,070,433.16 = 8,742,127.92/x
  3. Step 3: Cross multiply
    15,268,398x = 21,070,433.16 × 8,742,127.92
  4. Step 4: Simplify right side
    15,268,398x = 184,200,422,014,529.81
  5. Step 5: Solve for x
    x = 184,200,422,014,529.81/15,268,398
  6. Step 6: Final answer
    x = 12,064,161.68

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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.