Home / 28,085,190.48-42,129,244.44-8,917,448.40

Finding the Fourth Proportional to 28,085,190.48, 42,129,244.44 and 8,917,448.40

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Solution

The fourth proportional to 28,085,190.48, 42,129,244.44 and 8,917,448.40 is: 13,376,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,190.48 : 42,129,244.44 = 8,917,448.40 : x
  2. Step 2: Convert to fraction form
    28,085,190.48/42,129,244.44 = 8,917,448.40/x
  3. Step 3: Cross multiply
    28,085,190.48x = 42,129,244.44 × 8,917,448.40
  4. Step 4: Simplify right side
    28,085,190.48x = 375,685,363,424,686.88
  5. Step 5: Solve for x
    x = 375,685,363,424,686.88/28,085,190.48
  6. Step 6: Final answer
    x = 13,376,635.76

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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.