Home / 10,434,021.60-15,651,032.40-7,410,712.80

Finding the Fourth Proportional to 10,434,021.60, 15,651,032.40 and 7,410,712.80

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Solution

The fourth proportional to 10,434,021.60, 15,651,032.40 and 7,410,712.80 is: 11,116,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,021.60 : 15,651,032.40 = 7,410,712.80 : x
  2. Step 2: Convert to fraction form
    10,434,021.60/15,651,032.40 = 7,410,712.80/x
  3. Step 3: Cross multiply
    10,434,021.60x = 15,651,032.40 × 7,410,712.80
  4. Step 4: Simplify right side
    10,434,021.60x = 115,985,306,139,894.72
  5. Step 5: Solve for x
    x = 115,985,306,139,894.72/10,434,021.60
  6. Step 6: Final answer
    x = 11,116,069.20

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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.