Home / 31,109,228.40-46,663,842.60-19,762,489.20

Finding the Fourth Proportional to 31,109,228.40, 46,663,842.60 and 19,762,489.20

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Solution

The fourth proportional to 31,109,228.40, 46,663,842.60 and 19,762,489.20 is: 29,643,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,228.40 : 46,663,842.60 = 19,762,489.20 : x
  2. Step 2: Convert to fraction form
    31,109,228.40/46,663,842.60 = 19,762,489.20/x
  3. Step 3: Cross multiply
    31,109,228.40x = 46,663,842.60 × 19,762,489.20
  4. Step 4: Simplify right side
    31,109,228.40x = 922,193,685,412,999.88
  5. Step 5: Solve for x
    x = 922,193,685,412,999.88/31,109,228.40
  6. Step 6: Final answer
    x = 29,643,733.80

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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.