Home / 10,430,152.20-15,645,228.30-5,328,318.60

Finding the Fourth Proportional to 10,430,152.20, 15,645,228.30 and 5,328,318.60

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Solution

The fourth proportional to 10,430,152.20, 15,645,228.30 and 5,328,318.60 is: 7,992,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,152.20 : 15,645,228.30 = 5,328,318.60 : x
  2. Step 2: Convert to fraction form
    10,430,152.20/15,645,228.30 = 5,328,318.60/x
  3. Step 3: Cross multiply
    10,430,152.20x = 15,645,228.30 × 5,328,318.60
  4. Step 4: Simplify right side
    10,430,152.20x = 83,362,760,952,136.38
  5. Step 5: Solve for x
    x = 83,362,760,952,136.38/10,430,152.20
  6. Step 6: Final answer
    x = 7,992,477.90

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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.