Home / 7,873,507.28-11,810,261.07-1,889,875.28

Finding the Fourth Proportional to 7,873,507.28, 11,810,261.07 and 1,889,875.28

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Solution

The fourth proportional to 7,873,507.28, 11,810,261.07 and 1,889,875.28 is: 2,834,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,507.28 : 11,810,261.07 = 1,889,875.28 : x
  2. Step 2: Convert to fraction form
    7,873,507.28/11,810,261.07 = 1,889,875.28/x
  3. Step 3: Cross multiply
    7,873,507.28x = 11,810,261.07 × 1,889,875.28
  4. Step 4: Simplify right side
    7,873,507.28x = 22,319,920,446,539.35
  5. Step 5: Solve for x
    x = 22,319,920,446,539.35/7,873,507.28
  6. Step 6: Final answer
    x = 2,834,812.96

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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.