Home / 28,369,701.60-42,554,552.40-19,299,775.20

Finding the Fourth Proportional to 28,369,701.60, 42,554,552.40 and 19,299,775.20

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Solution

The fourth proportional to 28,369,701.60, 42,554,552.40 and 19,299,775.20 is: 28,949,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369,701.60 : 42,554,552.40 = 19,299,775.20 : x
  2. Step 2: Convert to fraction form
    28,369,701.60/42,554,552.40 = 19,299,775.20/x
  3. Step 3: Cross multiply
    28,369,701.60x = 42,554,552.40 × 19,299,775.20
  4. Step 4: Simplify right side
    28,369,701.60x = 821,293,295,056,620.38
  5. Step 5: Solve for x
    x = 821,293,295,056,620.38/28,369,701.60
  6. Step 6: Final answer
    x = 28,949,662.80

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Similar ratio
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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.