Home / 13,288,045.70-18,615,861.10-13,288,045.70

Finding the Fourth Proportional to 13,288,045.70, 18,615,861.10 and 13,288,045.70

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Solution

The fourth proportional to 13,288,045.70, 18,615,861.10 and 13,288,045.70 is: 18,615,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,045.70 : 18,615,861.10 = 13,288,045.70 : x
  2. Step 2: Convert to fraction form
    13,288,045.70/18,615,861.10 = 13,288,045.70/x
  3. Step 3: Cross multiply
    13,288,045.70x = 18,615,861.10 × 13,288,045.70
  4. Step 4: Simplify right side
    13,288,045.70x = 247,368,413,041,652.28
  5. Step 5: Solve for x
    x = 247,368,413,041,652.28/13,288,045.70
  6. Step 6: Final answer
    x = 18,615,861.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.