Home / 54,328,374.90-81,492,562.35-13,938,858.90

Finding the Fourth Proportional to 54,328,374.90, 81,492,562.35 and 13,938,858.90

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Solution

The fourth proportional to 54,328,374.90, 81,492,562.35 and 13,938,858.90 is: 20,908,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,374.90 : 81,492,562.35 = 13,938,858.90 : x
  2. Step 2: Convert to fraction form
    54,328,374.90/81,492,562.35 = 13,938,858.90/x
  3. Step 3: Cross multiply
    54,328,374.90x = 81,492,562.35 × 13,938,858.90
  4. Step 4: Simplify right side
    54,328,374.90x = 1,135,913,327,996,102.25
  5. Step 5: Solve for x
    x = 1,135,913,327,996,102.25/54,328,374.90
  6. Step 6: Final answer
    x = 20,908,288.35

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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.