Home / 14,009,303.69-19,333,705.47-7,729,800.32

Finding the Fourth Proportional to 14,009,303.69, 19,333,705.47 and 7,729,800.32

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Solution

The fourth proportional to 14,009,303.69, 19,333,705.47 and 7,729,800.32 is: 10,667,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,303.69 : 19,333,705.47 = 7,729,800.32 : x
  2. Step 2: Convert to fraction form
    14,009,303.69/19,333,705.47 = 7,729,800.32/x
  3. Step 3: Cross multiply
    14,009,303.69x = 19,333,705.47 × 7,729,800.32
  4. Step 4: Simplify right side
    14,009,303.69x = 149,445,682,593,474.22
  5. Step 5: Solve for x
    x = 149,445,682,593,474.22/14,009,303.69
  6. Step 6: Final answer
    x = 10,667,602.47

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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.