Home / 7,141,365.19-9,855,053.49-3,878,157.07

Finding the Fourth Proportional to 7,141,365.19, 9,855,053.49 and 3,878,157.07

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Solution

The fourth proportional to 7,141,365.19, 9,855,053.49 and 3,878,157.07 is: 5,351,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,365.19 : 9,855,053.49 = 3,878,157.07 : x
  2. Step 2: Convert to fraction form
    7,141,365.19/9,855,053.49 = 3,878,157.07/x
  3. Step 3: Cross multiply
    7,141,365.19x = 9,855,053.49 × 3,878,157.07
  4. Step 4: Simplify right side
    7,141,365.19x = 38,219,445,367,471.67
  5. Step 5: Solve for x
    x = 38,219,445,367,471.67/7,141,365.19
  6. Step 6: Final answer
    x = 5,351,840.21

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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.