Home / 8,698,218.63-12,003,569.79-4,830,739.83

Finding the Fourth Proportional to 8,698,218.63, 12,003,569.79 and 4,830,739.83

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Solution

The fourth proportional to 8,698,218.63, 12,003,569.79 and 4,830,739.83 is: 6,666,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,218.63 : 12,003,569.79 = 4,830,739.83 : x
  2. Step 2: Convert to fraction form
    8,698,218.63/12,003,569.79 = 4,830,739.83/x
  3. Step 3: Cross multiply
    8,698,218.63x = 12,003,569.79 × 4,830,739.83
  4. Step 4: Simplify right side
    8,698,218.63x = 57,986,122,686,737.73
  5. Step 5: Solve for x
    x = 57,986,122,686,737.73/8,698,218.63
  6. Step 6: Final answer
    x = 6,666,436.56

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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.