Home / 12,805,303.86-19,207,988.69-5,232,269.61

Finding the Fourth Proportional to 12,805,303.86, 19,207,988.69 and 5,232,269.61

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Solution

The fourth proportional to 12,805,303.86, 19,207,988.69 and 5,232,269.61 is: 7,848,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,303.86 : 19,207,988.69 = 5,232,269.61 : x
  2. Step 2: Convert to fraction form
    12,805,303.86/19,207,988.69 = 5,232,269.61/x
  3. Step 3: Cross multiply
    12,805,303.86x = 19,207,988.69 × 5,232,269.61
  4. Step 4: Simplify right side
    12,805,303.86x = 100,501,375,465,749.36
  5. Step 5: Solve for x
    x = 100,501,375,465,749.36/12,805,303.86
  6. Step 6: Final answer
    x = 7,848,417.86

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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.