Home / 28,941,365.52-39,939,552.36-15,889,827.60

Finding the Fourth Proportional to 28,941,365.52, 39,939,552.36 and 15,889,827.60

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Solution

The fourth proportional to 28,941,365.52, 39,939,552.36 and 15,889,827.60 is: 21,928,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941,365.52 : 39,939,552.36 = 15,889,827.60 : x
  2. Step 2: Convert to fraction form
    28,941,365.52/39,939,552.36 = 15,889,827.60/x
  3. Step 3: Cross multiply
    28,941,365.52x = 39,939,552.36 × 15,889,827.60
  4. Step 4: Simplify right side
    28,941,365.52x = 634,632,601,421,573.12
  5. Step 5: Solve for x
    x = 634,632,601,421,573.12/28,941,365.52
  6. Step 6: Final answer
    x = 21,928,219.00

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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.