Home / 12,666,276.59-18,992,216.41-4,985,758.58

Finding the Fourth Proportional to 12,666,276.59, 18,992,216.41 and 4,985,758.58

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Solution

The fourth proportional to 12,666,276.59, 18,992,216.41 and 4,985,758.58 is: 7,475,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666,276.59 : 18,992,216.41 = 4,985,758.58 : x
  2. Step 2: Convert to fraction form
    12,666,276.59/18,992,216.41 = 4,985,758.58/x
  3. Step 3: Cross multiply
    12,666,276.59x = 18,992,216.41 × 4,985,758.58
  4. Step 4: Simplify right side
    12,666,276.59x = 94,690,605,811,948.81
  5. Step 5: Solve for x
    x = 94,690,605,811,948.81/12,666,276.59
  6. Step 6: Final answer
    x = 7,475,804.37

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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.