Home / 54,328,356.90-81,492,535.35-13,938,840.90

Finding the Fourth Proportional to 54,328,356.90, 81,492,535.35 and 13,938,840.90

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Solution

The fourth proportional to 54,328,356.90, 81,492,535.35 and 13,938,840.90 is: 20,908,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,356.90 : 81,492,535.35 = 13,938,840.90 : x
  2. Step 2: Convert to fraction form
    54,328,356.90/81,492,535.35 = 13,938,840.90/x
  3. Step 3: Cross multiply
    54,328,356.90x = 81,492,535.35 × 13,938,840.90
  4. Step 4: Simplify right side
    54,328,356.90x = 1,135,911,484,781,275.75
  5. Step 5: Solve for x
    x = 1,135,911,484,781,275.75/54,328,356.90
  6. Step 6: Final answer
    x = 20,908,261.35

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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.