Home / 31,804,971.60-43,889,663.40-19,435,747.92

Finding the Fourth Proportional to 31,804,971.60, 43,889,663.40 and 19,435,747.92

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Solution

The fourth proportional to 31,804,971.60, 43,889,663.40 and 19,435,747.92 is: 26,820,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804,971.60 : 43,889,663.40 = 19,435,747.92 : x
  2. Step 2: Convert to fraction form
    31,804,971.60/43,889,663.40 = 19,435,747.92/x
  3. Step 3: Cross multiply
    31,804,971.60x = 43,889,663.40 × 19,435,747.92
  4. Step 4: Simplify right side
    31,804,971.60x = 853,028,434,136,050.12
  5. Step 5: Solve for x
    x = 853,028,434,136,050.12/31,804,971.60
  6. Step 6: Final answer
    x = 26,820,600.40

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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.