Home / 7,018,549.81-9,686,053.26-3,921,089.83

Finding the Fourth Proportional to 7,018,549.81, 9,686,053.26 and 3,921,089.83

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Solution

The fourth proportional to 7,018,549.81, 9,686,053.26 and 3,921,089.83 is: 5,411,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,549.81 : 9,686,053.26 = 3,921,089.83 : x
  2. Step 2: Convert to fraction form
    7,018,549.81/9,686,053.26 = 3,921,089.83/x
  3. Step 3: Cross multiply
    7,018,549.81x = 9,686,053.26 × 3,921,089.83
  4. Step 4: Simplify right side
    7,018,549.81x = 37,979,884,906,409.21
  5. Step 5: Solve for x
    x = 37,979,884,906,409.21/7,018,549.81
  6. Step 6: Final answer
    x = 5,411,357.89

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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.