Home / 54,328,341.40-81,492,512.10-13,938,825.40

Finding the Fourth Proportional to 54,328,341.40, 81,492,512.10 and 13,938,825.40

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Solution

The fourth proportional to 54,328,341.40, 81,492,512.10 and 13,938,825.40 is: 20,908,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,341.40 : 81,492,512.10 = 13,938,825.40 : x
  2. Step 2: Convert to fraction form
    54,328,341.40/81,492,512.10 = 13,938,825.40/x
  3. Step 3: Cross multiply
    54,328,341.40x = 81,492,512.10 × 13,938,825.40
  4. Step 4: Simplify right side
    54,328,341.40x = 1,135,909,897,569,287.25
  5. Step 5: Solve for x
    x = 1,135,909,897,569,287.25/54,328,341.40
  6. Step 6: Final answer
    x = 20,908,238.10

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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.