Home / 8,671,395.30-12,993,096.15-7,243,721.70

Finding the Fourth Proportional to 8,671,395.30, 12,993,096.15 and 7,243,721.70

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Solution

The fourth proportional to 8,671,395.30, 12,993,096.15 and 7,243,721.70 is: 10,853,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,395.30 : 12,993,096.15 = 7,243,721.70 : x
  2. Step 2: Convert to fraction form
    8,671,395.30/12,993,096.15 = 7,243,721.70/x
  3. Step 3: Cross multiply
    8,671,395.30x = 12,993,096.15 × 7,243,721.70
  4. Step 4: Simplify right side
    8,671,395.30x = 94,118,372,531,941.45
  5. Step 5: Solve for x
    x = 94,118,372,531,941.45/8,671,395.30
  6. Step 6: Final answer
    x = 10,853,890.21

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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.