Home / 28,544,568.60-42,816,852.90-13,191,828.60

Finding the Fourth Proportional to 28,544,568.60, 42,816,852.90 and 13,191,828.60

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Solution

The fourth proportional to 28,544,568.60, 42,816,852.90 and 13,191,828.60 is: 19,787,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544,568.60 : 42,816,852.90 = 13,191,828.60 : x
  2. Step 2: Convert to fraction form
    28,544,568.60/42,816,852.90 = 13,191,828.60/x
  3. Step 3: Cross multiply
    28,544,568.60x = 42,816,852.90 × 13,191,828.60
  4. Step 4: Simplify right side
    28,544,568.60x = 564,832,584,648,212.88
  5. Step 5: Solve for x
    x = 564,832,584,648,212.88/28,544,568.60
  6. Step 6: Final answer
    x = 19,787,742.90

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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.