Home / 20,013,803.48-27,632,606.59-12,678,146.36

Finding the Fourth Proportional to 20,013,803.48, 27,632,606.59 and 12,678,146.36

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Solution

The fourth proportional to 20,013,803.48, 27,632,606.59 and 12,678,146.36 is: 17,504,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,803.48 : 27,632,606.59 = 12,678,146.36 : x
  2. Step 2: Convert to fraction form
    20,013,803.48/27,632,606.59 = 12,678,146.36/x
  3. Step 3: Cross multiply
    20,013,803.48x = 27,632,606.59 × 12,678,146.36
  4. Step 4: Simplify right side
    20,013,803.48x = 350,330,230,518,157.50
  5. Step 5: Solve for x
    x = 350,330,230,518,157.50/20,013,803.48
  6. Step 6: Final answer
    x = 17,504,430.43

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1.5x scale

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.