Home / 11,886,554.40-17,829,831.60-10,185,943.20

Finding the Fourth Proportional to 11,886,554.40, 17,829,831.60 and 10,185,943.20

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Solution

The fourth proportional to 11,886,554.40, 17,829,831.60 and 10,185,943.20 is: 15,278,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886,554.40 : 17,829,831.60 = 10,185,943.20 : x
  2. Step 2: Convert to fraction form
    11,886,554.40/17,829,831.60 = 10,185,943.20/x
  3. Step 3: Cross multiply
    11,886,554.40x = 17,829,831.60 × 10,185,943.20
  4. Step 4: Simplify right side
    11,886,554.40x = 181,613,651,943,165.12
  5. Step 5: Solve for x
    x = 181,613,651,943,165.12/11,886,554.40
  6. Step 6: Final answer
    x = 15,278,914.80

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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.