Home / 13,306,803.64-18,358,878.54-10,855,176.64

Finding the Fourth Proportional to 13,306,803.64, 18,358,878.54 and 10,855,176.64

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Solution

The fourth proportional to 13,306,803.64, 18,358,878.54 and 10,855,176.64 is: 14,976,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,803.64 : 18,358,878.54 = 10,855,176.64 : x
  2. Step 2: Convert to fraction form
    13,306,803.64/18,358,878.54 = 10,855,176.64/x
  3. Step 3: Cross multiply
    13,306,803.64x = 18,358,878.54 × 10,855,176.64
  4. Step 4: Simplify right side
    13,306,803.64x = 199,288,869,464,005.31
  5. Step 5: Solve for x
    x = 199,288,869,464,005.31/13,306,803.64
  6. Step 6: Final answer
    x = 14,976,464.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.