Home / 14,742,021.84-20,331,957.96-12,378,090.96

Finding the Fourth Proportional to 14,742,021.84, 20,331,957.96 and 12,378,090.96

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Solution

The fourth proportional to 14,742,021.84, 20,331,957.96 and 12,378,090.96 is: 17,071,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742,021.84 : 20,331,957.96 = 12,378,090.96 : x
  2. Step 2: Convert to fraction form
    14,742,021.84/20,331,957.96 = 12,378,090.96/x
  3. Step 3: Cross multiply
    14,742,021.84x = 20,331,957.96 × 12,378,090.96
  4. Step 4: Simplify right side
    14,742,021.84x = 251,670,825,023,776.06
  5. Step 5: Solve for x
    x = 251,670,825,023,776.06/14,742,021.84
  6. Step 6: Final answer
    x = 17,071,662.74

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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.