Home / 10,885,178.25-15,021,541.58-5,990,400.33

Finding the Fourth Proportional to 10,885,178.25, 15,021,541.58 and 5,990,400.33

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Solution

The fourth proportional to 10,885,178.25, 15,021,541.58 and 5,990,400.33 is: 8,266,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885,178.25 : 15,021,541.58 = 5,990,400.33 : x
  2. Step 2: Convert to fraction form
    10,885,178.25/15,021,541.58 = 5,990,400.33/x
  3. Step 3: Cross multiply
    10,885,178.25x = 15,021,541.58 × 5,990,400.33
  4. Step 4: Simplify right side
    10,885,178.25x = 89,985,047,607,988.72
  5. Step 5: Solve for x
    x = 89,985,047,607,988.72/10,885,178.25
  6. Step 6: Final answer
    x = 8,266,750.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.