Home / 8,900,999.40-13,351,499.10-8,303,802.60

Finding the Fourth Proportional to 8,900,999.40, 13,351,499.10 and 8,303,802.60

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Solution

The fourth proportional to 8,900,999.40, 13,351,499.10 and 8,303,802.60 is: 12,455,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,999.40 : 13,351,499.10 = 8,303,802.60 : x
  2. Step 2: Convert to fraction form
    8,900,999.40/13,351,499.10 = 8,303,802.60/x
  3. Step 3: Cross multiply
    8,900,999.40x = 13,351,499.10 × 8,303,802.60
  4. Step 4: Simplify right side
    8,900,999.40x = 110,868,212,940,477.66
  5. Step 5: Solve for x
    x = 110,868,212,940,477.66/8,900,999.40
  6. Step 6: Final answer
    x = 12,455,703.90

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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.