Home / 28,763,390.40-43,145,085.60-8,293,070.40

Finding the Fourth Proportional to 28,763,390.40, 43,145,085.60 and 8,293,070.40

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Solution

The fourth proportional to 28,763,390.40, 43,145,085.60 and 8,293,070.40 is: 12,439,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,390.40 : 43,145,085.60 = 8,293,070.40 : x
  2. Step 2: Convert to fraction form
    28,763,390.40/43,145,085.60 = 8,293,070.40/x
  3. Step 3: Cross multiply
    28,763,390.40x = 43,145,085.60 × 8,293,070.40
  4. Step 4: Simplify right side
    28,763,390.40x = 357,805,232,294,826.25
  5. Step 5: Solve for x
    x = 357,805,232,294,826.25/28,763,390.40
  6. Step 6: Final answer
    x = 12,439,605.60

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Similar ratio
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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.