Home / 28,512,030.60-42,768,045.90-8,317,272.60

Finding the Fourth Proportional to 28,512,030.60, 42,768,045.90 and 8,317,272.60

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Solution

The fourth proportional to 28,512,030.60, 42,768,045.90 and 8,317,272.60 is: 12,475,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,030.60 : 42,768,045.90 = 8,317,272.60 : x
  2. Step 2: Convert to fraction form
    28,512,030.60/42,768,045.90 = 8,317,272.60/x
  3. Step 3: Cross multiply
    28,512,030.60x = 42,768,045.90 × 8,317,272.60
  4. Step 4: Simplify right side
    28,512,030.60x = 355,713,496,319,612.31
  5. Step 5: Solve for x
    x = 355,713,496,319,612.31/28,512,030.60
  6. Step 6: Final answer
    x = 12,475,908.90

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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.