Home / 10,361,207.90-15,541,811.85-7,841,783.90

Finding the Fourth Proportional to 10,361,207.90, 15,541,811.85 and 7,841,783.90

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Solution

The fourth proportional to 10,361,207.90, 15,541,811.85 and 7,841,783.90 is: 11,762,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,207.90 : 15,541,811.85 = 7,841,783.90 : x
  2. Step 2: Convert to fraction form
    10,361,207.90/15,541,811.85 = 7,841,783.90/x
  3. Step 3: Cross multiply
    10,361,207.90x = 15,541,811.85 × 7,841,783.90
  4. Step 4: Simplify right side
    10,361,207.90x = 121,875,529,942,159.22
  5. Step 5: Solve for x
    x = 121,875,529,942,159.22/10,361,207.90
  6. Step 6: Final answer
    x = 11,762,675.85

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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.