Home / 13,789,645.46-19,028,302.48-8,490,498.90

Finding the Fourth Proportional to 13,789,645.46, 19,028,302.48 and 8,490,498.90

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Solution

The fourth proportional to 13,789,645.46, 19,028,302.48 and 8,490,498.90 is: 11,716,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,645.46 : 19,028,302.48 = 8,490,498.90 : x
  2. Step 2: Convert to fraction form
    13,789,645.46/19,028,302.48 = 8,490,498.90/x
  3. Step 3: Cross multiply
    13,789,645.46x = 19,028,302.48 × 8,490,498.90
  4. Step 4: Simplify right side
    13,789,645.46x = 161,559,781,275,307.28
  5. Step 5: Solve for x
    x = 161,559,781,275,307.28/13,789,645.46
  6. Step 6: Final answer
    x = 11,716,021.40

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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.