Home / 25,579,009.60-38,335,855.20-10,415,809.60

Finding the Fourth Proportional to 25,579,009.60, 38,335,855.20 and 10,415,809.60

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Solution

The fourth proportional to 25,579,009.60, 38,335,855.20 and 10,415,809.60 is: 15,610,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579,009.60 : 38,335,855.20 = 10,415,809.60 : x
  2. Step 2: Convert to fraction form
    25,579,009.60/38,335,855.20 = 10,415,809.60/x
  3. Step 3: Cross multiply
    25,579,009.60x = 38,335,855.20 × 10,415,809.60
  4. Step 4: Simplify right side
    25,579,009.60x = 399,298,968,616,369.94
  5. Step 5: Solve for x
    x = 399,298,968,616,369.94/25,579,009.60
  6. Step 6: Final answer
    x = 15,610,415.53

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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.