Home / 14,121,154.23-19,486,123.40-7,925,004.27

Finding the Fourth Proportional to 14,121,154.23, 19,486,123.40 and 7,925,004.27

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Solution

The fourth proportional to 14,121,154.23, 19,486,123.40 and 7,925,004.27 is: 10,935,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,154.23 : 19,486,123.40 = 7,925,004.27 : x
  2. Step 2: Convert to fraction form
    14,121,154.23/19,486,123.40 = 7,925,004.27/x
  3. Step 3: Cross multiply
    14,121,154.23x = 19,486,123.40 × 7,925,004.27
  4. Step 4: Simplify right side
    14,121,154.23x = 154,427,611,111,121.88
  5. Step 5: Solve for x
    x = 154,427,611,111,121.88/14,121,154.23
  6. Step 6: Final answer
    x = 10,935,905.71

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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.