Home / 11,057,985.18-16,575,955.20-5,290,078.86

Finding the Fourth Proportional to 11,057,985.18, 16,575,955.20 and 5,290,078.86

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Solution

The fourth proportional to 11,057,985.18, 16,575,955.20 and 5,290,078.86 is: 7,929,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057,985.18 : 16,575,955.20 = 5,290,078.86 : x
  2. Step 2: Convert to fraction form
    11,057,985.18/16,575,955.20 = 5,290,078.86/x
  3. Step 3: Cross multiply
    11,057,985.18x = 16,575,955.20 × 5,290,078.86
  4. Step 4: Simplify right side
    11,057,985.18x = 87,688,110,187,827.08
  5. Step 5: Solve for x
    x = 87,688,110,187,827.08/11,057,985.18
  6. Step 6: Final answer
    x = 7,929,845.15

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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.