Home / 11,297,979.20-16,946,968.80-10,369,006.40

Finding the Fourth Proportional to 11,297,979.20, 16,946,968.80 and 10,369,006.40

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Solution

The fourth proportional to 11,297,979.20, 16,946,968.80 and 10,369,006.40 is: 15,553,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297,979.20 : 16,946,968.80 = 10,369,006.40 : x
  2. Step 2: Convert to fraction form
    11,297,979.20/16,946,968.80 = 10,369,006.40/x
  3. Step 3: Cross multiply
    11,297,979.20x = 16,946,968.80 × 10,369,006.40
  4. Step 4: Simplify right side
    11,297,979.20x = 175,723,227,947,800.34
  5. Step 5: Solve for x
    x = 175,723,227,947,800.34/11,297,979.20
  6. Step 6: Final answer
    x = 15,553,509.60

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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.