Home / 18,262,258.23-25,202,324.31-10,421,614.38

Finding the Fourth Proportional to 18,262,258.23, 25,202,324.31 and 10,421,614.38

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Solution

The fourth proportional to 18,262,258.23, 25,202,324.31 and 10,421,614.38 is: 14,382,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262,258.23 : 25,202,324.31 = 10,421,614.38 : x
  2. Step 2: Convert to fraction form
    18,262,258.23/25,202,324.31 = 10,421,614.38/x
  3. Step 3: Cross multiply
    18,262,258.23x = 25,202,324.31 × 10,421,614.38
  4. Step 4: Simplify right side
    18,262,258.23x = 262,648,905,440,111.34
  5. Step 5: Solve for x
    x = 262,648,905,440,111.34/18,262,258.23
  6. Step 6: Final answer
    x = 14,382,060.65

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1.5x scale

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.