Home / 38,759,205.12-58,147,807.04-13,200,435.84

Finding the Fourth Proportional to 38,759,205.12, 58,147,807.04 and 13,200,435.84

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Solution

The fourth proportional to 38,759,205.12, 58,147,807.04 and 13,200,435.84 is: 19,803,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759,205.12 : 58,147,807.04 = 13,200,435.84 : x
  2. Step 2: Convert to fraction form
    38,759,205.12/58,147,807.04 = 13,200,435.84/x
  3. Step 3: Cross multiply
    38,759,205.12x = 58,147,807.04 × 13,200,435.84
  4. Step 4: Simplify right side
    38,759,205.12x = 767,576,396,068,220.25
  5. Step 5: Solve for x
    x = 767,576,396,068,220.25/38,759,205.12
  6. Step 6: Final answer
    x = 19,803,718.72

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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.