Home / 54,328,514.40-81,492,771.60-13,938,998.40

Finding the Fourth Proportional to 54,328,514.40, 81,492,771.60 and 13,938,998.40

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Solution

The fourth proportional to 54,328,514.40, 81,492,771.60 and 13,938,998.40 is: 20,908,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,514.40 : 81,492,771.60 = 13,938,998.40 : x
  2. Step 2: Convert to fraction form
    54,328,514.40/81,492,771.60 = 13,938,998.40/x
  3. Step 3: Cross multiply
    54,328,514.40x = 81,492,771.60 × 13,938,998.40
  4. Step 4: Simplify right side
    54,328,514.40x = 1,135,927,612,943,965.50
  5. Step 5: Solve for x
    x = 1,135,927,612,943,965.50/54,328,514.40
  6. Step 6: Final answer
    x = 20,908,497.60

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1.5x scale

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.