Home / 16,128,419.20-24,192,628.80-9,745,878.40

Finding the Fourth Proportional to 16,128,419.20, 24,192,628.80 and 9,745,878.40

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Solution

The fourth proportional to 16,128,419.20, 24,192,628.80 and 9,745,878.40 is: 14,618,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,419.20 : 24,192,628.80 = 9,745,878.40 : x
  2. Step 2: Convert to fraction form
    16,128,419.20/24,192,628.80 = 9,745,878.40/x
  3. Step 3: Cross multiply
    16,128,419.20x = 24,192,628.80 × 9,745,878.40
  4. Step 4: Simplify right side
    16,128,419.20x = 235,778,418,461,137.94
  5. Step 5: Solve for x
    x = 235,778,418,461,137.94/16,128,419.20
  6. Step 6: Final answer
    x = 14,618,817.60

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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.