Home / 28,004,346-38,645,998.56-15,127,290

Finding the Fourth Proportional to 28,004,346, 38,645,998.56 and 15,127,290

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Solution

The fourth proportional to 28,004,346, 38,645,998.56 and 15,127,290 is: 20,875,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004,346 : 38,645,998.56 = 15,127,290 : x
  2. Step 2: Convert to fraction form
    28,004,346/38,645,998.56 = 15,127,290/x
  3. Step 3: Cross multiply
    28,004,346x = 38,645,998.56 × 15,127,290
  4. Step 4: Simplify right side
    28,004,346x = 584,609,227,556,702.38
  5. Step 5: Solve for x
    x = 584,609,227,556,702.38/28,004,346
  6. Step 6: Final answer
    x = 20,875,660.78

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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.