Home / 21,905,784.83-32,803,057.85-13,146,549.77

Finding the Fourth Proportional to 21,905,784.83, 32,803,057.85 and 13,146,549.77

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Solution

The fourth proportional to 21,905,784.83, 32,803,057.85 and 13,146,549.77 is: 19,686,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905,784.83 : 32,803,057.85 = 13,146,549.77 : x
  2. Step 2: Convert to fraction form
    21,905,784.83/32,803,057.85 = 13,146,549.77/x
  3. Step 3: Cross multiply
    21,905,784.83x = 32,803,057.85 × 13,146,549.77
  4. Step 4: Simplify right side
    21,905,784.83x = 431,247,032,649,489.12
  5. Step 5: Solve for x
    x = 431,247,032,649,489.12/21,905,784.83
  6. Step 6: Final answer
    x = 19,686,445.20

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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.