Home / 12,736,986.21-19,087,803.48-5,803,521.12

Finding the Fourth Proportional to 12,736,986.21, 19,087,803.48 and 5,803,521.12

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Solution

The fourth proportional to 12,736,986.21, 19,087,803.48 and 5,803,521.12 is: 8,697,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,986.21 : 19,087,803.48 = 5,803,521.12 : x
  2. Step 2: Convert to fraction form
    12,736,986.21/19,087,803.48 = 5,803,521.12/x
  3. Step 3: Cross multiply
    12,736,986.21x = 19,087,803.48 × 5,803,521.12
  4. Step 4: Simplify right side
    12,736,986.21x = 110,776,470,630,589.50
  5. Step 5: Solve for x
    x = 110,776,470,630,589.50/12,736,986.21
  6. Step 6: Final answer
    x = 8,697,227.81

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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.