Home / 28,876,810.60-43,294,220.70-11,828,708.20

Finding the Fourth Proportional to 28,876,810.60, 43,294,220.70 and 11,828,708.20

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Solution

The fourth proportional to 28,876,810.60, 43,294,220.70 and 11,828,708.20 is: 17,734,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,810.60 : 43,294,220.70 = 11,828,708.20 : x
  2. Step 2: Convert to fraction form
    28,876,810.60/43,294,220.70 = 11,828,708.20/x
  3. Step 3: Cross multiply
    28,876,810.60x = 43,294,220.70 × 11,828,708.20
  4. Step 4: Simplify right side
    28,876,810.60x = 512,114,703,406,699.75
  5. Step 5: Solve for x
    x = 512,114,703,406,699.75/28,876,810.60
  6. Step 6: Final answer
    x = 17,734,462.11

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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.