Home / 12,355,939.84-18,536,585.64-5,069,416.36

Finding the Fourth Proportional to 12,355,939.84, 18,536,585.64 and 5,069,416.36

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Solution

The fourth proportional to 12,355,939.84, 18,536,585.64 and 5,069,416.36 is: 7,605,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,939.84 : 18,536,585.64 = 5,069,416.36 : x
  2. Step 2: Convert to fraction form
    12,355,939.84/18,536,585.64 = 5,069,416.36/x
  3. Step 3: Cross multiply
    12,355,939.84x = 18,536,585.64 × 5,069,416.36
  4. Step 4: Simplify right side
    12,355,939.84x = 93,969,670,501,957.08
  5. Step 5: Solve for x
    x = 93,969,670,501,957.08/12,355,939.84
  6. Step 6: Final answer
    x = 7,605,222.40

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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.