Home / 15,686,058.75-21,649,329.46-13,068,412.02

Finding the Fourth Proportional to 15,686,058.75, 21,649,329.46 and 13,068,412.02

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Solution

The fourth proportional to 15,686,058.75, 21,649,329.46 and 13,068,412.02 is: 18,036,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,058.75 : 21,649,329.46 = 13,068,412.02 : x
  2. Step 2: Convert to fraction form
    15,686,058.75/21,649,329.46 = 13,068,412.02/x
  3. Step 3: Cross multiply
    15,686,058.75x = 21,649,329.46 × 13,068,412.02
  4. Step 4: Simplify right side
    15,686,058.75x = 282,922,357,282,829.81
  5. Step 5: Solve for x
    x = 282,922,357,282,829.81/15,686,058.75
  6. Step 6: Final answer
    x = 18,036,548.37

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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.