Home / 12,358,175.60-18,537,263.40-8,579,039.60

Finding the Fourth Proportional to 12,358,175.60, 18,537,263.40 and 8,579,039.60

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Solution

The fourth proportional to 12,358,175.60, 18,537,263.40 and 8,579,039.60 is: 12,868,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,175.60 : 18,537,263.40 = 8,579,039.60 : x
  2. Step 2: Convert to fraction form
    12,358,175.60/18,537,263.40 = 8,579,039.60/x
  3. Step 3: Cross multiply
    12,358,175.60x = 18,537,263.40 × 8,579,039.60
  4. Step 4: Simplify right side
    12,358,175.60x = 159,031,916,784,230.62
  5. Step 5: Solve for x
    x = 159,031,916,784,230.62/12,358,175.60
  6. Step 6: Final answer
    x = 12,868,559.40

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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.