Home / 28,496,801.60-42,741,055.20-8,299,937.60

Finding the Fourth Proportional to 28,496,801.60, 42,741,055.20 and 8,299,937.60

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Solution

The fourth proportional to 28,496,801.60, 42,741,055.20 and 8,299,937.60 is: 12,448,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496,801.60 : 42,741,055.20 = 8,299,937.60 : x
  2. Step 2: Convert to fraction form
    28,496,801.60/42,741,055.20 = 8,299,937.60/x
  3. Step 3: Cross multiply
    28,496,801.60x = 42,741,055.20 × 8,299,937.60
  4. Step 4: Simplify right side
    28,496,801.60x = 354,748,091,118,155.50
  5. Step 5: Solve for x
    x = 354,748,091,118,155.50/28,496,801.60
  6. Step 6: Final answer
    x = 12,448,698.49

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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.