Home / 28,939,258.52-43,386,153.42-19,813,751.96

Finding the Fourth Proportional to 28,939,258.52, 43,386,153.42 and 19,813,751.96

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Solution

The fourth proportional to 28,939,258.52, 43,386,153.42 and 19,813,751.96 is: 29,705,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,258.52 : 43,386,153.42 = 19,813,751.96 : x
  2. Step 2: Convert to fraction form
    28,939,258.52/43,386,153.42 = 19,813,751.96/x
  3. Step 3: Cross multiply
    28,939,258.52x = 43,386,153.42 × 19,813,751.96
  4. Step 4: Simplify right side
    28,939,258.52x = 859,642,482,362,385.75
  5. Step 5: Solve for x
    x = 859,642,482,362,385.75/28,939,258.52
  6. Step 6: Final answer
    x = 29,705,062.48

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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.