Home / 18,187,698-25,099,025.40-10,038,938.16

Finding the Fourth Proportional to 18,187,698, 25,099,025.40 and 10,038,938.16

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Solution

The fourth proportional to 18,187,698, 25,099,025.40 and 10,038,938.16 is: 13,853,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,698 : 25,099,025.40 = 10,038,938.16 : x
  2. Step 2: Convert to fraction form
    18,187,698/25,099,025.40 = 10,038,938.16/x
  3. Step 3: Cross multiply
    18,187,698x = 25,099,025.40 × 10,038,938.16
  4. Step 4: Simplify right side
    18,187,698x = 251,967,563,866,869.25
  5. Step 5: Solve for x
    x = 251,967,563,866,869.25/18,187,698
  6. Step 6: Final answer
    x = 13,853,735.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.