Home / 18,636,927.07-25,720,017.93-11,196,864.85

Finding the Fourth Proportional to 18,636,927.07, 25,720,017.93 and 11,196,864.85

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Solution

The fourth proportional to 18,636,927.07, 25,720,017.93 and 11,196,864.85 is: 15,452,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,927.07 : 25,720,017.93 = 11,196,864.85 : x
  2. Step 2: Convert to fraction form
    18,636,927.07/25,720,017.93 = 11,196,864.85/x
  3. Step 3: Cross multiply
    18,636,927.07x = 25,720,017.93 × 11,196,864.85
  4. Step 4: Simplify right side
    18,636,927.07x = 287,983,564,701,786.75
  5. Step 5: Solve for x
    x = 287,983,564,701,786.75/18,636,927.07
  6. Step 6: Final answer
    x = 15,452,309.47

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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.