Home / 15,064,802.64-20,789,561.48-8,189,295.76

Finding the Fourth Proportional to 15,064,802.64, 20,789,561.48 and 8,189,295.76

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Solution

The fourth proportional to 15,064,802.64, 20,789,561.48 and 8,189,295.76 is: 11,301,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064,802.64 : 20,789,561.48 = 8,189,295.76 : x
  2. Step 2: Convert to fraction form
    15,064,802.64/20,789,561.48 = 8,189,295.76/x
  3. Step 3: Cross multiply
    15,064,802.64x = 20,789,561.48 × 8,189,295.76
  4. Step 4: Simplify right side
    15,064,802.64x = 170,251,867,680,423.31
  5. Step 5: Solve for x
    x = 170,251,867,680,423.31/15,064,802.64
  6. Step 6: Final answer
    x = 11,301,300.90

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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.