Home / 26,619,509.30-39,925,267.74-8,421,339.87

Finding the Fourth Proportional to 26,619,509.30, 39,925,267.74 and 8,421,339.87

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Solution

The fourth proportional to 26,619,509.30, 39,925,267.74 and 8,421,339.87 is: 12,630,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619,509.30 : 39,925,267.74 = 8,421,339.87 : x
  2. Step 2: Convert to fraction form
    26,619,509.30/39,925,267.74 = 8,421,339.87/x
  3. Step 3: Cross multiply
    26,619,509.30x = 39,925,267.74 × 8,421,339.87
  4. Step 4: Simplify right side
    26,619,509.30x = 336,224,249,039,286.75
  5. Step 5: Solve for x
    x = 336,224,249,039,286.75/26,619,509.30
  6. Step 6: Final answer
    x = 12,630,745.57

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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.