Home / 21,004,688.34-31,488,123.87-7,538,367.06

Finding the Fourth Proportional to 21,004,688.34, 31,488,123.87 and 7,538,367.06

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Solution

The fourth proportional to 21,004,688.34, 31,488,123.87 and 7,538,367.06 is: 11,300,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,688.34 : 31,488,123.87 = 7,538,367.06 : x
  2. Step 2: Convert to fraction form
    21,004,688.34/31,488,123.87 = 7,538,367.06/x
  3. Step 3: Cross multiply
    21,004,688.34x = 31,488,123.87 × 7,538,367.06
  4. Step 4: Simplify right side
    21,004,688.34x = 237,369,035,762,807.72
  5. Step 5: Solve for x
    x = 237,369,035,762,807.72/21,004,688.34
  6. Step 6: Final answer
    x = 11,300,764.47

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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.