Home / 15,819,354.68-21,830,512.84-9,293,579

Finding the Fourth Proportional to 15,819,354.68, 21,830,512.84 and 9,293,579

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Solution

The fourth proportional to 15,819,354.68, 21,830,512.84 and 9,293,579 is: 12,825,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,354.68 : 21,830,512.84 = 9,293,579 : x
  2. Step 2: Convert to fraction form
    15,819,354.68/21,830,512.84 = 9,293,579/x
  3. Step 3: Cross multiply
    15,819,354.68x = 21,830,512.84 × 9,293,579
  4. Step 4: Simplify right side
    15,819,354.68x = 202,883,595,689,054.34
  5. Step 5: Solve for x
    x = 202,883,595,689,054.34/15,819,354.68
  6. Step 6: Final answer
    x = 12,825,023.51

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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.