Home / 13,135,742.76-19,705,494.61-4,038,604.21

Finding the Fourth Proportional to 13,135,742.76, 19,705,494.61 and 4,038,604.21

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Solution

The fourth proportional to 13,135,742.76, 19,705,494.61 and 4,038,604.21 is: 6,058,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,742.76 : 19,705,494.61 = 4,038,604.21 : x
  2. Step 2: Convert to fraction form
    13,135,742.76/19,705,494.61 = 4,038,604.21/x
  3. Step 3: Cross multiply
    13,135,742.76x = 19,705,494.61 × 4,038,604.21
  4. Step 4: Simplify right side
    13,135,742.76x = 79,582,693,521,758.42
  5. Step 5: Solve for x
    x = 79,582,693,521,758.42/13,135,742.76
  6. Step 6: Final answer
    x = 6,058,484.47

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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.