Home / 12,455,655.90-18,683,483.85-6,716,093.10

Finding the Fourth Proportional to 12,455,655.90, 18,683,483.85 and 6,716,093.10

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Solution

The fourth proportional to 12,455,655.90, 18,683,483.85 and 6,716,093.10 is: 10,074,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,655.90 : 18,683,483.85 = 6,716,093.10 : x
  2. Step 2: Convert to fraction form
    12,455,655.90/18,683,483.85 = 6,716,093.10/x
  3. Step 3: Cross multiply
    12,455,655.90x = 18,683,483.85 × 6,716,093.10
  4. Step 4: Simplify right side
    12,455,655.90x = 125,480,016,968,946.44
  5. Step 5: Solve for x
    x = 125,480,016,968,946.44/12,455,655.90
  6. Step 6: Final answer
    x = 10,074,139.65

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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.