Home / 16,280,978.40-24,421,467.60-4,920,242.40

Finding the Fourth Proportional to 16,280,978.40, 24,421,467.60 and 4,920,242.40

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Solution

The fourth proportional to 16,280,978.40, 24,421,467.60 and 4,920,242.40 is: 7,380,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280,978.40 : 24,421,467.60 = 4,920,242.40 : x
  2. Step 2: Convert to fraction form
    16,280,978.40/24,421,467.60 = 4,920,242.40/x
  3. Step 3: Cross multiply
    16,280,978.40x = 24,421,467.60 × 4,920,242.40
  4. Step 4: Simplify right side
    16,280,978.40x = 120,159,540,355,746.25
  5. Step 5: Solve for x
    x = 120,159,540,355,746.25/16,280,978.40
  6. Step 6: Final answer
    x = 7,380,363.60

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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.