Home / 15,064,804.64-20,789,564.24-8,189,297.76

Finding the Fourth Proportional to 15,064,804.64, 20,789,564.24 and 8,189,297.76

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Solution

The fourth proportional to 15,064,804.64, 20,789,564.24 and 8,189,297.76 is: 11,301,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064,804.64 : 20,789,564.24 = 8,189,297.76 : x
  2. Step 2: Convert to fraction form
    15,064,804.64/20,789,564.24 = 8,189,297.76/x
  3. Step 3: Cross multiply
    15,064,804.64x = 20,789,564.24 × 8,189,297.76
  4. Step 4: Simplify right side
    15,064,804.64x = 170,251,931,862,008.09
  5. Step 5: Solve for x
    x = 170,251,931,862,008.09/15,064,804.64
  6. Step 6: Final answer
    x = 11,301,303.66

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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.