Home / 28,267,778.19-42,408,483.94-9,821,038.33

Finding the Fourth Proportional to 28,267,778.19, 42,408,483.94 and 9,821,038.33

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Solution

The fourth proportional to 28,267,778.19, 42,408,483.94 and 9,821,038.33 is: 14,733,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,778.19 : 42,408,483.94 = 9,821,038.33 : x
  2. Step 2: Convert to fraction form
    28,267,778.19/42,408,483.94 = 9,821,038.33/x
  3. Step 3: Cross multiply
    28,267,778.19x = 42,408,483.94 × 9,821,038.33
  4. Step 4: Simplify right side
    28,267,778.19x = 416,495,346,198,184.50
  5. Step 5: Solve for x
    x = 416,495,346,198,184.50/28,267,778.19
  6. Step 6: Final answer
    x = 14,733,925.79

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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.