Home / 28,006,478.40-42,009,717.60-23,676,801.60

Finding the Fourth Proportional to 28,006,478.40, 42,009,717.60 and 23,676,801.60

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Solution

The fourth proportional to 28,006,478.40, 42,009,717.60 and 23,676,801.60 is: 35,515,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,478.40 : 42,009,717.60 = 23,676,801.60 : x
  2. Step 2: Convert to fraction form
    28,006,478.40/42,009,717.60 = 23,676,801.60/x
  3. Step 3: Cross multiply
    28,006,478.40x = 42,009,717.60 × 23,676,801.60
  4. Step 4: Simplify right side
    28,006,478.40x = 994,655,748,887,228.25
  5. Step 5: Solve for x
    x = 994,655,748,887,228.25/28,006,478.40
  6. Step 6: Final answer
    x = 35,515,202.40

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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.