Home / 31,509,021.60-47,263,532.40-7,574,493.60

Finding the Fourth Proportional to 31,509,021.60, 47,263,532.40 and 7,574,493.60

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Solution

The fourth proportional to 31,509,021.60, 47,263,532.40 and 7,574,493.60 is: 11,361,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,021.60 : 47,263,532.40 = 7,574,493.60 : x
  2. Step 2: Convert to fraction form
    31,509,021.60/47,263,532.40 = 7,574,493.60/x
  3. Step 3: Cross multiply
    31,509,021.60x = 47,263,532.40 × 7,574,493.60
  4. Step 4: Simplify right side
    31,509,021.60x = 357,997,323,677,192.62
  5. Step 5: Solve for x
    x = 357,997,323,677,192.62/31,509,021.60
  6. Step 6: Final answer
    x = 11,361,740.40

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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.