Home / 10,530,912.40-15,796,368.60-8,830,301.20

Finding the Fourth Proportional to 10,530,912.40, 15,796,368.60 and 8,830,301.20

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Solution

The fourth proportional to 10,530,912.40, 15,796,368.60 and 8,830,301.20 is: 13,245,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,912.40 : 15,796,368.60 = 8,830,301.20 : x
  2. Step 2: Convert to fraction form
    10,530,912.40/15,796,368.60 = 8,830,301.20/x
  3. Step 3: Cross multiply
    10,530,912.40x = 15,796,368.60 × 8,830,301.20
  4. Step 4: Simplify right side
    10,530,912.40x = 139,486,692,604,222.31
  5. Step 5: Solve for x
    x = 139,486,692,604,222.31/10,530,912.40
  6. Step 6: Final answer
    x = 13,245,451.80

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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.