Home / 28,784,115-43,370,374.79-23,778,678.96

Finding the Fourth Proportional to 28,784,115, 43,370,374.79 and 23,778,678.96

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Solution

The fourth proportional to 28,784,115, 43,370,374.79 and 23,778,678.96 is: 35,828,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784,115 : 43,370,374.79 = 23,778,678.96 : x
  2. Step 2: Convert to fraction form
    28,784,115/43,370,374.79 = 23,778,678.96/x
  3. Step 3: Cross multiply
    28,784,115x = 43,370,374.79 × 23,778,678.96
  4. Step 4: Simplify right side
    28,784,115x = 1,031,290,218,506,287.38
  5. Step 5: Solve for x
    x = 1,031,290,218,506,287.38/28,784,115
  6. Step 6: Final answer
    x = 35,828,449.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.