Home / 8,718,683.76-12,031,772.31-5,409,747.30

Finding the Fourth Proportional to 8,718,683.76, 12,031,772.31 and 5,409,747.30

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Solution

The fourth proportional to 8,718,683.76, 12,031,772.31 and 5,409,747.30 is: 7,465,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,683.76 : 12,031,772.31 = 5,409,747.30 : x
  2. Step 2: Convert to fraction form
    8,718,683.76/12,031,772.31 = 5,409,747.30/x
  3. Step 3: Cross multiply
    8,718,683.76x = 12,031,772.31 × 5,409,747.30
  4. Step 4: Simplify right side
    8,718,683.76x = 65,088,847,768,237.27
  5. Step 5: Solve for x
    x = 65,088,847,768,237.27/8,718,683.76
  6. Step 6: Final answer
    x = 7,465,444.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.