Home / 9,811,763.79-13,539,995.06-5,401,453.59

Finding the Fourth Proportional to 9,811,763.79, 13,539,995.06 and 5,401,453.59

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Solution

The fourth proportional to 9,811,763.79, 13,539,995.06 and 5,401,453.59 is: 7,453,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811,763.79 : 13,539,995.06 = 5,401,453.59 : x
  2. Step 2: Convert to fraction form
    9,811,763.79/13,539,995.06 = 5,401,453.59/x
  3. Step 3: Cross multiply
    9,811,763.79x = 13,539,995.06 × 5,401,453.59
  4. Step 4: Simplify right side
    9,811,763.79x = 73,135,654,830,712.02
  5. Step 5: Solve for x
    x = 73,135,654,830,712.02/9,811,763.79
  6. Step 6: Final answer
    x = 7,453,874.39

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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.