Home / 19,930,232.40-29,909,345.40-12,759,205.20

Finding the Fourth Proportional to 19,930,232.40, 29,909,345.40 and 12,759,205.20

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Solution

The fourth proportional to 19,930,232.40, 29,909,345.40 and 12,759,205.20 is: 19,147,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,232.40 : 29,909,345.40 = 12,759,205.20 : x
  2. Step 2: Convert to fraction form
    19,930,232.40/29,909,345.40 = 12,759,205.20/x
  3. Step 3: Cross multiply
    19,930,232.40x = 29,909,345.40 × 12,759,205.20
  4. Step 4: Simplify right side
    19,930,232.40x = 381,619,475,356,276.06
  5. Step 5: Solve for x
    x = 381,619,475,356,276.06/19,930,232.40
  6. Step 6: Final answer
    x = 19,147,768.46

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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.