Home / 30,502,148.67-42,092,812.19-16,563,379.26

Finding the Fourth Proportional to 30,502,148.67, 42,092,812.19 and 16,563,379.26

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Solution

The fourth proportional to 30,502,148.67, 42,092,812.19 and 16,563,379.26 is: 22,857,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,148.67 : 42,092,812.19 = 16,563,379.26 : x
  2. Step 2: Convert to fraction form
    30,502,148.67/42,092,812.19 = 16,563,379.26/x
  3. Step 3: Cross multiply
    30,502,148.67x = 42,092,812.19 × 16,563,379.26
  4. Step 4: Simplify right side
    30,502,148.67x = 697,199,212,422,921.12
  5. Step 5: Solve for x
    x = 697,199,212,422,921.12/30,502,148.67
  6. Step 6: Final answer
    x = 22,857,380.31

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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.