Home / 28,828,385.01-39,783,175.38-15,775,646.94

Finding the Fourth Proportional to 28,828,385.01, 39,783,175.38 and 15,775,646.94

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Solution

The fourth proportional to 28,828,385.01, 39,783,175.38 and 15,775,646.94 is: 21,770,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,385.01 : 39,783,175.38 = 15,775,646.94 : x
  2. Step 2: Convert to fraction form
    28,828,385.01/39,783,175.38 = 15,775,646.94/x
  3. Step 3: Cross multiply
    28,828,385.01x = 39,783,175.38 × 15,775,646.94
  4. Step 4: Simplify right side
    28,828,385.01x = 627,605,328,946,980.38
  5. Step 5: Solve for x
    x = 627,605,328,946,980.38/28,828,385.01
  6. Step 6: Final answer
    x = 21,770,395.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.