Home / 14,295,864.09-19,728,444.81-7,769,493.89

Finding the Fourth Proportional to 14,295,864.09, 19,728,444.81 and 7,769,493.89

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Solution

The fourth proportional to 14,295,864.09, 19,728,444.81 and 7,769,493.89 is: 10,721,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295,864.09 : 19,728,444.81 = 7,769,493.89 : x
  2. Step 2: Convert to fraction form
    14,295,864.09/19,728,444.81 = 7,769,493.89/x
  3. Step 3: Cross multiply
    14,295,864.09x = 19,728,444.81 × 7,769,493.89
  4. Step 4: Simplify right side
    14,295,864.09x = 153,280,031,410,497.19
  5. Step 5: Solve for x
    x = 153,280,031,410,497.19/14,295,864.09
  6. Step 6: Final answer
    x = 10,721,984.38

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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.