Home / 14,274,435.20-21,411,652.80-13,124,278.40

Finding the Fourth Proportional to 14,274,435.20, 21,411,652.80 and 13,124,278.40

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Solution

The fourth proportional to 14,274,435.20, 21,411,652.80 and 13,124,278.40 is: 19,686,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274,435.20 : 21,411,652.80 = 13,124,278.40 : x
  2. Step 2: Convert to fraction form
    14,274,435.20/21,411,652.80 = 13,124,278.40/x
  3. Step 3: Cross multiply
    14,274,435.20x = 21,411,652.80 × 13,124,278.40
  4. Step 4: Simplify right side
    14,274,435.20x = 281,012,492,351,339.53
  5. Step 5: Solve for x
    x = 281,012,492,351,339.53/14,274,435.20
  6. Step 6: Final answer
    x = 19,686,417.60

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Similar ratio
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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.