Home / 9,990,583.20-14,985,874.80-7,282,202.40

Finding the Fourth Proportional to 9,990,583.20, 14,985,874.80 and 7,282,202.40

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Solution

The fourth proportional to 9,990,583.20, 14,985,874.80 and 7,282,202.40 is: 10,923,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,583.20 : 14,985,874.80 = 7,282,202.40 : x
  2. Step 2: Convert to fraction form
    9,990,583.20/14,985,874.80 = 7,282,202.40/x
  3. Step 3: Cross multiply
    9,990,583.20x = 14,985,874.80 × 7,282,202.40
  4. Step 4: Simplify right side
    9,990,583.20x = 109,130,173,434,659.53
  5. Step 5: Solve for x
    x = 109,130,173,434,659.53/9,990,583.20
  6. Step 6: Final answer
    x = 10,923,303.60

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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.