Home / 12,812,551.03-19,220,512.35-4,731,203.30

Finding the Fourth Proportional to 12,812,551.03, 19,220,512.35 and 4,731,203.30

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Solution

The fourth proportional to 12,812,551.03, 19,220,512.35 and 4,731,203.30 is: 7,097,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,551.03 : 19,220,512.35 = 4,731,203.30 : x
  2. Step 2: Convert to fraction form
    12,812,551.03/19,220,512.35 = 4,731,203.30/x
  3. Step 3: Cross multiply
    12,812,551.03x = 19,220,512.35 × 4,731,203.30
  4. Step 4: Simplify right side
    12,812,551.03x = 90,936,151,458,010.77
  5. Step 5: Solve for x
    x = 90,936,151,458,010.77/12,812,551.03
  6. Step 6: Final answer
    x = 7,097,427.46

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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.