Home / 13,840,004.40-20,760,006.60-13,210,148.40

Finding the Fourth Proportional to 13,840,004.40, 20,760,006.60 and 13,210,148.40

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Solution

The fourth proportional to 13,840,004.40, 20,760,006.60 and 13,210,148.40 is: 19,815,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,004.40 : 20,760,006.60 = 13,210,148.40 : x
  2. Step 2: Convert to fraction form
    13,840,004.40/20,760,006.60 = 13,210,148.40/x
  3. Step 3: Cross multiply
    13,840,004.40x = 20,760,006.60 × 13,210,148.40
  4. Step 4: Simplify right side
    13,840,004.40x = 274,242,767,970,979.47
  5. Step 5: Solve for x
    x = 274,242,767,970,979.47/13,840,004.40
  6. Step 6: Final answer
    x = 19,815,222.60

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1.5x scale

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.