Home / 25,445,844.12-35,127,461.36-15,664,672.50

Finding the Fourth Proportional to 25,445,844.12, 35,127,461.36 and 15,664,672.50

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Solution

The fourth proportional to 25,445,844.12, 35,127,461.36 and 15,664,672.50 is: 21,624,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,844.12 : 35,127,461.36 = 15,664,672.50 : x
  2. Step 2: Convert to fraction form
    25,445,844.12/35,127,461.36 = 15,664,672.50/x
  3. Step 3: Cross multiply
    25,445,844.12x = 35,127,461.36 × 15,664,672.50
  4. Step 4: Simplify right side
    25,445,844.12x = 550,260,177,960,804.56
  5. Step 5: Solve for x
    x = 550,260,177,960,804.56/25,445,844.12
  6. Step 6: Final answer
    x = 21,624,756.30

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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.