Home / 28,916,548.60-43,290,842.10-28,076,740.60

Finding the Fourth Proportional to 28,916,548.60, 43,290,842.10 and 28,076,740.60

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Solution

The fourth proportional to 28,916,548.60, 43,290,842.10 and 28,076,740.60 is: 42,033,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,548.60 : 43,290,842.10 = 28,076,740.60 : x
  2. Step 2: Convert to fraction form
    28,916,548.60/43,290,842.10 = 28,076,740.60/x
  3. Step 3: Cross multiply
    28,916,548.60x = 43,290,842.10 × 28,076,740.60
  4. Step 4: Simplify right side
    28,916,548.60x = 1,215,465,743,997,259.25
  5. Step 5: Solve for x
    x = 1,215,465,743,997,259.25/28,916,548.60
  6. Step 6: Final answer
    x = 42,033,569.11

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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.