Home / 7,909,993.88-10,916,215.38-4,425,124.77

Finding the Fourth Proportional to 7,909,993.88, 10,916,215.38 and 4,425,124.77

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Solution

The fourth proportional to 7,909,993.88, 10,916,215.38 and 4,425,124.77 is: 6,106,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,993.88 : 10,916,215.38 = 4,425,124.77 : x
  2. Step 2: Convert to fraction form
    7,909,993.88/10,916,215.38 = 4,425,124.77/x
  3. Step 3: Cross multiply
    7,909,993.88x = 10,916,215.38 × 4,425,124.77
  4. Step 4: Simplify right side
    7,909,993.88x = 48,305,615,018,111.88
  5. Step 5: Solve for x
    x = 48,305,615,018,111.88/7,909,993.88
  6. Step 6: Final answer
    x = 6,106,909.28

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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.