Home / 28,477,994.16-39,299,633.38-15,425,257.66

Finding the Fourth Proportional to 28,477,994.16, 39,299,633.38 and 15,425,257.66

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Solution

The fourth proportional to 28,477,994.16, 39,299,633.38 and 15,425,257.66 is: 21,286,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,994.16 : 39,299,633.38 = 15,425,257.66 : x
  2. Step 2: Convert to fraction form
    28,477,994.16/39,299,633.38 = 15,425,257.66/x
  3. Step 3: Cross multiply
    28,477,994.16x = 39,299,633.38 × 15,425,257.66
  4. Step 4: Simplify right side
    28,477,994.16x = 606,206,970,830,036.75
  5. Step 5: Solve for x
    x = 606,206,970,830,036.75/28,477,994.16
  6. Step 6: Final answer
    x = 21,286,856.35

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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.