Home / 18,329,162.72-25,294,503.62-10,069,988.32

Finding the Fourth Proportional to 18,329,162.72, 25,294,503.62 and 10,069,988.32

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Solution

The fourth proportional to 18,329,162.72, 25,294,503.62 and 10,069,988.32 is: 13,896,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329,162.72 : 25,294,503.62 = 10,069,988.32 : x
  2. Step 2: Convert to fraction form
    18,329,162.72/25,294,503.62 = 10,069,988.32/x
  3. Step 3: Cross multiply
    18,329,162.72x = 25,294,503.62 × 10,069,988.32
  4. Step 4: Simplify right side
    18,329,162.72x = 254,715,355,999,237.38
  5. Step 5: Solve for x
    x = 254,715,355,999,237.38/18,329,162.72
  6. Step 6: Final answer
    x = 13,896,726.21

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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.