Home / 39,916,916.40-59,875,374.60-20,785,040.40

Finding the Fourth Proportional to 39,916,916.40, 59,875,374.60 and 20,785,040.40

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Solution

The fourth proportional to 39,916,916.40, 59,875,374.60 and 20,785,040.40 is: 31,177,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916,916.40 : 59,875,374.60 = 20,785,040.40 : x
  2. Step 2: Convert to fraction form
    39,916,916.40/59,875,374.60 = 20,785,040.40/x
  3. Step 3: Cross multiply
    39,916,916.40x = 59,875,374.60 × 20,785,040.40
  4. Step 4: Simplify right side
    39,916,916.40x = 1,244,512,080,026,133.75
  5. Step 5: Solve for x
    x = 1,244,512,080,026,133.75/39,916,916.40
  6. Step 6: Final answer
    x = 31,177,560.60

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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.