Home / 9,780,661.30-14,670,991.95-6,379,438.90

Finding the Fourth Proportional to 9,780,661.30, 14,670,991.95 and 6,379,438.90

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Solution

The fourth proportional to 9,780,661.30, 14,670,991.95 and 6,379,438.90 is: 9,569,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,661.30 : 14,670,991.95 = 6,379,438.90 : x
  2. Step 2: Convert to fraction form
    9,780,661.30/14,670,991.95 = 6,379,438.90/x
  3. Step 3: Cross multiply
    9,780,661.30x = 14,670,991.95 × 6,379,438.90
  4. Step 4: Simplify right side
    9,780,661.30x = 93,592,696,747,416.86
  5. Step 5: Solve for x
    x = 93,592,696,747,416.86/9,780,661.30
  6. Step 6: Final answer
    x = 9,569,158.35

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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.