Home / 14,326,838.40-21,490,257.60-12,883,612.80

Finding the Fourth Proportional to 14,326,838.40, 21,490,257.60 and 12,883,612.80

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Solution

The fourth proportional to 14,326,838.40, 21,490,257.60 and 12,883,612.80 is: 19,325,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326,838.40 : 21,490,257.60 = 12,883,612.80 : x
  2. Step 2: Convert to fraction form
    14,326,838.40/21,490,257.60 = 12,883,612.80/x
  3. Step 3: Cross multiply
    14,326,838.40x = 21,490,257.60 × 12,883,612.80
  4. Step 4: Simplify right side
    14,326,838.40x = 276,872,157,890,657.31
  5. Step 5: Solve for x
    x = 276,872,157,890,657.31/14,326,838.40
  6. Step 6: Final answer
    x = 19,325,419.20

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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.