Home / 10,456,100.40-15,684,150.60-8,303,764.35

Finding the Fourth Proportional to 10,456,100.40, 15,684,150.60 and 8,303,764.35

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Solution

The fourth proportional to 10,456,100.40, 15,684,150.60 and 8,303,764.35 is: 12,455,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,100.40 : 15,684,150.60 = 8,303,764.35 : x
  2. Step 2: Convert to fraction form
    10,456,100.40/15,684,150.60 = 8,303,764.35/x
  3. Step 3: Cross multiply
    10,456,100.40x = 15,684,150.60 × 8,303,764.35
  4. Step 4: Simplify right side
    10,456,100.40x = 130,237,490,612,311.09
  5. Step 5: Solve for x
    x = 130,237,490,612,311.09/10,456,100.40
  6. Step 6: Final answer
    x = 12,455,646.53

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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.