Home / 18,106,776.40-25,053,148.68-15,788,503.08

Finding the Fourth Proportional to 18,106,776.40, 25,053,148.68 and 15,788,503.08

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Solution

The fourth proportional to 18,106,776.40, 25,053,148.68 and 15,788,503.08 is: 21,845,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,776.40 : 25,053,148.68 = 15,788,503.08 : x
  2. Step 2: Convert to fraction form
    18,106,776.40/25,053,148.68 = 15,788,503.08/x
  3. Step 3: Cross multiply
    18,106,776.40x = 25,053,148.68 × 15,788,503.08
  4. Step 4: Simplify right side
    18,106,776.40x = 395,551,715,097,877.94
  5. Step 5: Solve for x
    x = 395,551,715,097,877.94/18,106,776.40
  6. Step 6: Final answer
    x = 21,845,507.25

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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.