Home / 19,320,039.40-28,980,059.10-10,362,087.40

Finding the Fourth Proportional to 19,320,039.40, 28,980,059.10 and 10,362,087.40

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Solution

The fourth proportional to 19,320,039.40, 28,980,059.10 and 10,362,087.40 is: 15,543,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,039.40 : 28,980,059.10 = 10,362,087.40 : x
  2. Step 2: Convert to fraction form
    19,320,039.40/28,980,059.10 = 10,362,087.40/x
  3. Step 3: Cross multiply
    19,320,039.40x = 28,980,059.10 × 10,362,087.40
  4. Step 4: Simplify right side
    19,320,039.40x = 300,293,905,251,365.38
  5. Step 5: Solve for x
    x = 300,293,905,251,365.38/19,320,039.40
  6. Step 6: Final answer
    x = 15,543,131.10

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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.