Home / 10,278,314.25-15,411,495.40-3,889,059.36

Finding the Fourth Proportional to 10,278,314.25, 15,411,495.40 and 3,889,059.36

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Solution

The fourth proportional to 10,278,314.25, 15,411,495.40 and 3,889,059.36 is: 5,831,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,314.25 : 15,411,495.40 = 3,889,059.36 : x
  2. Step 2: Convert to fraction form
    10,278,314.25/15,411,495.40 = 3,889,059.36/x
  3. Step 3: Cross multiply
    10,278,314.25x = 15,411,495.40 × 3,889,059.36
  4. Step 4: Simplify right side
    10,278,314.25x = 59,936,220,506,913.36
  5. Step 5: Solve for x
    x = 59,936,220,506,913.36/10,278,314.25
  6. Step 6: Final answer
    x = 5,831,327.88

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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.