Home / 10,359,619.20-15,539,428.80-6,328,540.80

Finding the Fourth Proportional to 10,359,619.20, 15,539,428.80 and 6,328,540.80

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Solution

The fourth proportional to 10,359,619.20, 15,539,428.80 and 6,328,540.80 is: 9,492,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,619.20 : 15,539,428.80 = 6,328,540.80 : x
  2. Step 2: Convert to fraction form
    10,359,619.20/15,539,428.80 = 6,328,540.80/x
  3. Step 3: Cross multiply
    10,359,619.20x = 15,539,428.80 × 6,328,540.80
  4. Step 4: Simplify right side
    10,359,619.20x = 98,341,909,169,495.05
  5. Step 5: Solve for x
    x = 98,341,909,169,495.05/10,359,619.20
  6. Step 6: Final answer
    x = 9,492,811.20

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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.