Home / 19,058,390.96-28,592,922.71-7,706,811.20

Finding the Fourth Proportional to 19,058,390.96, 28,592,922.71 and 7,706,811.20

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Solution

The fourth proportional to 19,058,390.96, 28,592,922.71 and 7,706,811.20 is: 11,562,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058,390.96 : 28,592,922.71 = 7,706,811.20 : x
  2. Step 2: Convert to fraction form
    19,058,390.96/28,592,922.71 = 7,706,811.20/x
  3. Step 3: Cross multiply
    19,058,390.96x = 28,592,922.71 × 7,706,811.20
  4. Step 4: Simplify right side
    19,058,390.96x = 220,360,256,858,464.75
  5. Step 5: Solve for x
    x = 220,360,256,858,464.75/19,058,390.96
  6. Step 6: Final answer
    x = 11,562,374.67

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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.