Home / 43,578,021.60-65,367,032.40-28,965,362.40

Finding the Fourth Proportional to 43,578,021.60, 65,367,032.40 and 28,965,362.40

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Solution

The fourth proportional to 43,578,021.60, 65,367,032.40 and 28,965,362.40 is: 43,448,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,021.60 : 65,367,032.40 = 28,965,362.40 : x
  2. Step 2: Convert to fraction form
    43,578,021.60/65,367,032.40 = 28,965,362.40/x
  3. Step 3: Cross multiply
    43,578,021.60x = 65,367,032.40 × 28,965,362.40
  4. Step 4: Simplify right side
    43,578,021.60x = 1,893,379,782,478,541.50
  5. Step 5: Solve for x
    x = 1,893,379,782,478,541.50/43,578,021.60
  6. Step 6: Final answer
    x = 43,448,043.60

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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.