Home / 10,531,040.90-15,796,561.35-8,830,429.70

Finding the Fourth Proportional to 10,531,040.90, 15,796,561.35 and 8,830,429.70

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Solution

The fourth proportional to 10,531,040.90, 15,796,561.35 and 8,830,429.70 is: 13,245,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,040.90 : 15,796,561.35 = 8,830,429.70 : x
  2. Step 2: Convert to fraction form
    10,531,040.90/15,796,561.35 = 8,830,429.70/x
  3. Step 3: Cross multiply
    10,531,040.90x = 15,796,561.35 × 8,830,429.70
  4. Step 4: Simplify right side
    10,531,040.90x = 139,490,424,502,912.08
  5. Step 5: Solve for x
    x = 139,490,424,502,912.08/10,531,040.90
  6. Step 6: Final answer
    x = 13,245,644.55

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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.