Home / 9,678,401.60-14,517,602.40-7,886,811.20

Finding the Fourth Proportional to 9,678,401.60, 14,517,602.40 and 7,886,811.20

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Solution

The fourth proportional to 9,678,401.60, 14,517,602.40 and 7,886,811.20 is: 11,830,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,401.60 : 14,517,602.40 = 7,886,811.20 : x
  2. Step 2: Convert to fraction form
    9,678,401.60/14,517,602.40 = 7,886,811.20/x
  3. Step 3: Cross multiply
    9,678,401.60x = 14,517,602.40 × 7,886,811.20
  4. Step 4: Simplify right side
    9,678,401.60x = 114,497,589,205,466.89
  5. Step 5: Solve for x
    x = 114,497,589,205,466.89/9,678,401.60
  6. Step 6: Final answer
    x = 11,830,216.80

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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.