Home / 12,909,271.14-19,370,438.55-5,234,709.06

Finding the Fourth Proportional to 12,909,271.14, 19,370,438.55 and 5,234,709.06

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Solution

The fourth proportional to 12,909,271.14, 19,370,438.55 and 5,234,709.06 is: 7,854,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,271.14 : 19,370,438.55 = 5,234,709.06 : x
  2. Step 2: Convert to fraction form
    12,909,271.14/19,370,438.55 = 5,234,709.06/x
  3. Step 3: Cross multiply
    12,909,271.14x = 19,370,438.55 × 5,234,709.06
  4. Step 4: Simplify right side
    12,909,271.14x = 101,398,610,173,858.27
  5. Step 5: Solve for x
    x = 101,398,610,173,858.27/12,909,271.14
  6. Step 6: Final answer
    x = 7,854,712.25

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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.