Home / 18,413,831.94-25,406,644.30-11,886,063.40

Finding the Fourth Proportional to 18,413,831.94, 25,406,644.30 and 11,886,063.40

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Solution

The fourth proportional to 18,413,831.94, 25,406,644.30 and 11,886,063.40 is: 16,399,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,831.94 : 25,406,644.30 = 11,886,063.40 : x
  2. Step 2: Convert to fraction form
    18,413,831.94/25,406,644.30 = 11,886,063.40/x
  3. Step 3: Cross multiply
    18,413,831.94x = 25,406,644.30 × 11,886,063.40
  4. Step 4: Simplify right side
    18,413,831.94x = 301,984,984,931,048.62
  5. Step 5: Solve for x
    x = 301,984,984,931,048.62/18,413,831.94
  6. Step 6: Final answer
    x = 16,399,899.05

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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.