Home / 28,982,457.80-39,999,575.76-18,699,096.32

Finding the Fourth Proportional to 28,982,457.80, 39,999,575.76 and 18,699,096.32

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Solution

The fourth proportional to 28,982,457.80, 39,999,575.76 and 18,699,096.32 is: 25,807,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982,457.80 : 39,999,575.76 = 18,699,096.32 : x
  2. Step 2: Convert to fraction form
    28,982,457.80/39,999,575.76 = 18,699,096.32/x
  3. Step 3: Cross multiply
    28,982,457.80x = 39,999,575.76 × 18,699,096.32
  4. Step 4: Simplify right side
    28,982,457.80x = 747,955,919,895,377.12
  5. Step 5: Solve for x
    x = 747,955,919,895,377.12/28,982,457.80
  6. Step 6: Final answer
    x = 25,807,194.31

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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.