Home / 10,778,416.80-16,167,625.20-6,516,391.20

Finding the Fourth Proportional to 10,778,416.80, 16,167,625.20 and 6,516,391.20

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Solution

The fourth proportional to 10,778,416.80, 16,167,625.20 and 6,516,391.20 is: 9,774,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,416.80 : 16,167,625.20 = 6,516,391.20 : x
  2. Step 2: Convert to fraction form
    10,778,416.80/16,167,625.20 = 6,516,391.20/x
  3. Step 3: Cross multiply
    10,778,416.80x = 16,167,625.20 × 6,516,391.20
  4. Step 4: Simplify right side
    10,778,416.80x = 105,354,570,578,178.23
  5. Step 5: Solve for x
    x = 105,354,570,578,178.23/10,778,416.80
  6. Step 6: Final answer
    x = 9,774,586.80

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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.