Home / 28,009,502.01-38,653,281.27-15,620,377.59

Finding the Fourth Proportional to 28,009,502.01, 38,653,281.27 and 15,620,377.59

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Solution

The fourth proportional to 28,009,502.01, 38,653,281.27 and 15,620,377.59 is: 21,556,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009,502.01 : 38,653,281.27 = 15,620,377.59 : x
  2. Step 2: Convert to fraction form
    28,009,502.01/38,653,281.27 = 15,620,377.59/x
  3. Step 3: Cross multiply
    28,009,502.01x = 38,653,281.27 × 15,620,377.59
  4. Step 4: Simplify right side
    28,009,502.01x = 603,778,848,529,874.75
  5. Step 5: Solve for x
    x = 603,778,848,529,874.75/28,009,502.01
  6. Step 6: Final answer
    x = 21,556,215.04

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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.