Home / 21,782,686.52-32,677,579.08-6,431,528

Finding the Fourth Proportional to 21,782,686.52, 32,677,579.08 and 6,431,528

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Solution

The fourth proportional to 21,782,686.52, 32,677,579.08 and 6,431,528 is: 9,648,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,686.52 : 32,677,579.08 = 6,431,528 : x
  2. Step 2: Convert to fraction form
    21,782,686.52/32,677,579.08 = 6,431,528/x
  3. Step 3: Cross multiply
    21,782,686.52x = 32,677,579.08 × 6,431,528
  4. Step 4: Simplify right side
    21,782,686.52x = 210,166,764,825,234.22
  5. Step 5: Solve for x
    x = 210,166,764,825,234.22/21,782,686.52
  6. Step 6: Final answer
    x = 9,648,339.96

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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.