Home / 13,786,408.40-19,024,489.98-7,590,278.45

Finding the Fourth Proportional to 13,786,408.40, 19,024,489.98 and 7,590,278.45

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Solution

The fourth proportional to 13,786,408.40, 19,024,489.98 and 7,590,278.45 is: 10,474,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,408.40 : 19,024,489.98 = 7,590,278.45 : x
  2. Step 2: Convert to fraction form
    13,786,408.40/19,024,489.98 = 7,590,278.45/x
  3. Step 3: Cross multiply
    13,786,408.40x = 19,024,489.98 × 7,590,278.45
  4. Step 4: Simplify right side
    13,786,408.40x = 144,401,176,222,312.50
  5. Step 5: Solve for x
    x = 144,401,176,222,312.50/13,786,408.40
  6. Step 6: Final answer
    x = 10,474,169.35

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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.