Home / 10,521,783.12-14,520,060.48-5,692,887.12

Finding the Fourth Proportional to 10,521,783.12, 14,520,060.48 and 5,692,887.12

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Solution

The fourth proportional to 10,521,783.12, 14,520,060.48 and 5,692,887.12 is: 7,856,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,783.12 : 14,520,060.48 = 5,692,887.12 : x
  2. Step 2: Convert to fraction form
    10,521,783.12/14,520,060.48 = 5,692,887.12/x
  3. Step 3: Cross multiply
    10,521,783.12x = 14,520,060.48 × 5,692,887.12
  4. Step 4: Simplify right side
    10,521,783.12x = 82,661,065,288,213.02
  5. Step 5: Solve for x
    x = 82,661,065,288,213.02/10,521,783.12
  6. Step 6: Final answer
    x = 7,856,184.10

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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.