Home / 30,159,826.13-45,258,856.26-12,888,147.38

Finding the Fourth Proportional to 30,159,826.13, 45,258,856.26 and 12,888,147.38

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Solution

The fourth proportional to 30,159,826.13, 45,258,856.26 and 12,888,147.38 is: 19,340,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159,826.13 : 45,258,856.26 = 12,888,147.38 : x
  2. Step 2: Convert to fraction form
    30,159,826.13/45,258,856.26 = 12,888,147.38/x
  3. Step 3: Cross multiply
    30,159,826.13x = 45,258,856.26 × 12,888,147.38
  4. Step 4: Simplify right side
    30,159,826.13x = 583,302,809,781,567.75
  5. Step 5: Solve for x
    x = 583,302,809,781,567.75/30,159,826.13
  6. Step 6: Final answer
    x = 19,340,390.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.