Home / 16,443,276.80-24,664,915.20-15,771,430.40

Finding the Fourth Proportional to 16,443,276.80, 24,664,915.20 and 15,771,430.40

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Solution

The fourth proportional to 16,443,276.80, 24,664,915.20 and 15,771,430.40 is: 23,657,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,443,276.80 : 24,664,915.20 = 15,771,430.40 : x
  2. Step 2: Convert to fraction form
    16,443,276.80/24,664,915.20 = 15,771,430.40/x
  3. Step 3: Cross multiply
    16,443,276.80x = 24,664,915.20 × 15,771,430.40
  4. Step 4: Simplify right side
    16,443,276.80x = 389,000,993,398,702.06
  5. Step 5: Solve for x
    x = 389,000,993,398,702.06/16,443,276.80
  6. Step 6: Final answer
    x = 23,657,145.60

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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.