Home / 15,118,109.47-20,864,762.28-8,592,719.84

Finding the Fourth Proportional to 15,118,109.47, 20,864,762.28 and 8,592,719.84

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Solution

The fourth proportional to 15,118,109.47, 20,864,762.28 and 8,592,719.84 is: 11,858,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,109.47 : 20,864,762.28 = 8,592,719.84 : x
  2. Step 2: Convert to fraction form
    15,118,109.47/20,864,762.28 = 8,592,719.84/x
  3. Step 3: Cross multiply
    15,118,109.47x = 20,864,762.28 × 8,592,719.84
  4. Step 4: Simplify right side
    15,118,109.47x = 179,285,056,652,952.22
  5. Step 5: Solve for x
    x = 179,285,056,652,952.22/15,118,109.47
  6. Step 6: Final answer
    x = 11,858,960.08

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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.