Home / 12,993,829.75-19,484,016.72-6,926,931.98

Finding the Fourth Proportional to 12,993,829.75, 19,484,016.72 and 6,926,931.98

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Solution

The fourth proportional to 12,993,829.75, 19,484,016.72 and 6,926,931.98 is: 10,386,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,829.75 : 19,484,016.72 = 6,926,931.98 : x
  2. Step 2: Convert to fraction form
    12,993,829.75/19,484,016.72 = 6,926,931.98/x
  3. Step 3: Cross multiply
    12,993,829.75x = 19,484,016.72 × 6,926,931.98
  4. Step 4: Simplify right side
    12,993,829.75x = 134,964,458,466,291.67
  5. Step 5: Solve for x
    x = 134,964,458,466,291.67/12,993,829.75
  6. Step 6: Final answer
    x = 10,386,811.36

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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.