Home / 15,538,982.40-23,308,473.60-12,326,716.80

Finding the Fourth Proportional to 15,538,982.40, 23,308,473.60 and 12,326,716.80

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Solution

The fourth proportional to 15,538,982.40, 23,308,473.60 and 12,326,716.80 is: 18,490,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538,982.40 : 23,308,473.60 = 12,326,716.80 : x
  2. Step 2: Convert to fraction form
    15,538,982.40/23,308,473.60 = 12,326,716.80/x
  3. Step 3: Cross multiply
    15,538,982.40x = 23,308,473.60 × 12,326,716.80
  4. Step 4: Simplify right side
    15,538,982.40x = 287,316,953,107,476.50
  5. Step 5: Solve for x
    x = 287,316,953,107,476.50/15,538,982.40
  6. Step 6: Final answer
    x = 18,490,075.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.