Home / 19,058,405.12-28,592,943.88-7,706,825.36

Finding the Fourth Proportional to 19,058,405.12, 28,592,943.88 and 7,706,825.36

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Solution

The fourth proportional to 19,058,405.12, 28,592,943.88 and 7,706,825.36 is: 11,562,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058,405.12 : 28,592,943.88 = 7,706,825.36 : x
  2. Step 2: Convert to fraction form
    19,058,405.12/28,592,943.88 = 7,706,825.36/x
  3. Step 3: Cross multiply
    19,058,405.12x = 28,592,943.88 × 7,706,825.36
  4. Step 4: Simplify right side
    19,058,405.12x = 220,360,825,011,440.81
  5. Step 5: Solve for x
    x = 220,360,825,011,440.81/19,058,405.12
  6. Step 6: Final answer
    x = 11,562,395.89

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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.