Home / 12,905,269.18-19,360,820.14-4,269,349.20

Finding the Fourth Proportional to 12,905,269.18, 19,360,820.14 and 4,269,349.20

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Solution

The fourth proportional to 12,905,269.18, 19,360,820.14 and 4,269,349.20 is: 6,404,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,269.18 : 19,360,820.14 = 4,269,349.20 : x
  2. Step 2: Convert to fraction form
    12,905,269.18/19,360,820.14 = 4,269,349.20/x
  3. Step 3: Cross multiply
    12,905,269.18x = 19,360,820.14 × 4,269,349.20
  4. Step 4: Simplify right side
    12,905,269.18x = 82,658,101,976,052.89
  5. Step 5: Solve for x
    x = 82,658,101,976,052.89/12,905,269.18
  6. Step 6: Final answer
    x = 6,404,988.60

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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.