Home / 18,030,927.35-26,981,740.40-15,610,406.51

Finding the Fourth Proportional to 18,030,927.35, 26,981,740.40 and 15,610,406.51

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Solution

The fourth proportional to 18,030,927.35, 26,981,740.40 and 15,610,406.51 is: 23,359,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030,927.35 : 26,981,740.40 = 15,610,406.51 : x
  2. Step 2: Convert to fraction form
    18,030,927.35/26,981,740.40 = 15,610,406.51/x
  3. Step 3: Cross multiply
    18,030,927.35x = 26,981,740.40 × 15,610,406.51
  4. Step 4: Simplify right side
    18,030,927.35x = 421,195,935,778,329.31
  5. Step 5: Solve for x
    x = 421,195,935,778,329.31/18,030,927.35
  6. Step 6: Final answer
    x = 23,359,638.01

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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.