Home / 28,085,220.40-42,127,830.60-23,298,314.80

Finding the Fourth Proportional to 28,085,220.40, 42,127,830.60 and 23,298,314.80

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Solution

The fourth proportional to 28,085,220.40, 42,127,830.60 and 23,298,314.80 is: 34,947,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,220.40 : 42,127,830.60 = 23,298,314.80 : x
  2. Step 2: Convert to fraction form
    28,085,220.40/42,127,830.60 = 23,298,314.80/x
  3. Step 3: Cross multiply
    28,085,220.40x = 42,127,830.60 × 23,298,314.80
  4. Step 4: Simplify right side
    28,085,220.40x = 981,507,459,159,873
  5. Step 5: Solve for x
    x = 981,507,459,159,873/28,085,220.40
  6. Step 6: Final answer
    x = 34,947,472.20

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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.