Home / 28,874,205.60-43,311,308.40-18,124,663.20

Finding the Fourth Proportional to 28,874,205.60, 43,311,308.40 and 18,124,663.20

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Solution

The fourth proportional to 28,874,205.60, 43,311,308.40 and 18,124,663.20 is: 27,186,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,205.60 : 43,311,308.40 = 18,124,663.20 : x
  2. Step 2: Convert to fraction form
    28,874,205.60/43,311,308.40 = 18,124,663.20/x
  3. Step 3: Cross multiply
    28,874,205.60x = 43,311,308.40 × 18,124,663.20
  4. Step 4: Simplify right side
    28,874,205.60x = 785,002,877,501,330.88
  5. Step 5: Solve for x
    x = 785,002,877,501,330.88/28,874,205.60
  6. Step 6: Final answer
    x = 27,186,994.80

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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.