Home / 9,772,018.55-13,485,401.49-5,421,104.90

Finding the Fourth Proportional to 9,772,018.55, 13,485,401.49 and 5,421,104.90

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Solution

The fourth proportional to 9,772,018.55, 13,485,401.49 and 5,421,104.90 is: 7,481,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,018.55 : 13,485,401.49 = 5,421,104.90 : x
  2. Step 2: Convert to fraction form
    9,772,018.55/13,485,401.49 = 5,421,104.90/x
  3. Step 3: Cross multiply
    9,772,018.55x = 13,485,401.49 × 5,421,104.90
  4. Step 4: Simplify right side
    9,772,018.55x = 73,105,776,116,291.55
  5. Step 5: Solve for x
    x = 73,105,776,116,291.55/9,772,018.55
  6. Step 6: Final answer
    x = 7,481,133.58

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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.