Home / 28,662,346.56-39,553,762.88-15,609,824

Finding the Fourth Proportional to 28,662,346.56, 39,553,762.88 and 15,609,824

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Solution

The fourth proportional to 28,662,346.56, 39,553,762.88 and 15,609,824 is: 21,541,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,346.56 : 39,553,762.88 = 15,609,824 : x
  2. Step 2: Convert to fraction form
    28,662,346.56/39,553,762.88 = 15,609,824/x
  3. Step 3: Cross multiply
    28,662,346.56x = 39,553,762.88 × 15,609,824
  4. Step 4: Simplify right side
    28,662,346.56x = 617,427,277,094,533.12
  5. Step 5: Solve for x
    x = 617,427,277,094,533.12/28,662,346.56
  6. Step 6: Final answer
    x = 21,541,407.15

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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.