Home / 7,490,783.21-10,336,172.20-4,549,070.43

Finding the Fourth Proportional to 7,490,783.21, 10,336,172.20 and 4,549,070.43

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Solution

The fourth proportional to 7,490,783.21, 10,336,172.20 and 4,549,070.43 is: 6,277,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,783.21 : 10,336,172.20 = 4,549,070.43 : x
  2. Step 2: Convert to fraction form
    7,490,783.21/10,336,172.20 = 4,549,070.43/x
  3. Step 3: Cross multiply
    7,490,783.21x = 10,336,172.20 × 4,549,070.43
  4. Step 4: Simplify right side
    7,490,783.21x = 47,019,975,303,035.37
  5. Step 5: Solve for x
    x = 47,019,975,303,035.37/7,490,783.21
  6. Step 6: Final answer
    x = 6,277,043.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.