Home / 11,426,591.56-17,129,798.14-8,742,897.60

Finding the Fourth Proportional to 11,426,591.56, 17,129,798.14 and 8,742,897.60

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Solution

The fourth proportional to 11,426,591.56, 17,129,798.14 and 8,742,897.60 is: 13,106,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426,591.56 : 17,129,798.14 = 8,742,897.60 : x
  2. Step 2: Convert to fraction form
    11,426,591.56/17,129,798.14 = 8,742,897.60/x
  3. Step 3: Cross multiply
    11,426,591.56x = 17,129,798.14 × 8,742,897.60
  4. Step 4: Simplify right side
    11,426,591.56x = 149,764,071,046,690.47
  5. Step 5: Solve for x
    x = 149,764,071,046,690.47/11,426,591.56
  6. Step 6: Final answer
    x = 13,106,626.79

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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.