Home / 28,860,187.20-43,290,280.80-26,256,782.40

Finding the Fourth Proportional to 28,860,187.20, 43,290,280.80 and 26,256,782.40

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Solution

The fourth proportional to 28,860,187.20, 43,290,280.80 and 26,256,782.40 is: 39,385,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,187.20 : 43,290,280.80 = 26,256,782.40 : x
  2. Step 2: Convert to fraction form
    28,860,187.20/43,290,280.80 = 26,256,782.40/x
  3. Step 3: Cross multiply
    28,860,187.20x = 43,290,280.80 × 26,256,782.40
  4. Step 4: Simplify right side
    28,860,187.20x = 1,136,663,483,000,497.75
  5. Step 5: Solve for x
    x = 1,136,663,483,000,497.75/28,860,187.20
  6. Step 6: Final answer
    x = 39,385,173.60

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1.5x scale

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.