Home / 38,985,328.80-58,463,996.40-19,809,712.80

Finding the Fourth Proportional to 38,985,328.80, 58,463,996.40 and 19,809,712.80

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Solution

The fourth proportional to 38,985,328.80, 58,463,996.40 and 19,809,712.80 is: 29,707,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985,328.80 : 58,463,996.40 = 19,809,712.80 : x
  2. Step 2: Convert to fraction form
    38,985,328.80/58,463,996.40 = 19,809,712.80/x
  3. Step 3: Cross multiply
    38,985,328.80x = 58,463,996.40 × 19,809,712.80
  4. Step 4: Simplify right side
    38,985,328.80x = 1,158,154,977,824,234
  5. Step 5: Solve for x
    x = 1,158,154,977,824,234/38,985,328.80
  6. Step 6: Final answer
    x = 29,707,456.97

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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.