Home / 10,215,877.02-14,098,008.15-5,632,362.78

Finding the Fourth Proportional to 10,215,877.02, 14,098,008.15 and 5,632,362.78

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Solution

The fourth proportional to 10,215,877.02, 14,098,008.15 and 5,632,362.78 is: 7,772,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,877.02 : 14,098,008.15 = 5,632,362.78 : x
  2. Step 2: Convert to fraction form
    10,215,877.02/14,098,008.15 = 5,632,362.78/x
  3. Step 3: Cross multiply
    10,215,877.02x = 14,098,008.15 × 5,632,362.78
  4. Step 4: Simplify right side
    10,215,877.02x = 79,405,096,376,196.66
  5. Step 5: Solve for x
    x = 79,405,096,376,196.66/10,215,877.02
  6. Step 6: Final answer
    x = 7,772,714.59

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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.