Home / 21,011,925.34-31,518,853.89-6,437,801.14

Finding the Fourth Proportional to 21,011,925.34, 31,518,853.89 and 6,437,801.14

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Solution

The fourth proportional to 21,011,925.34, 31,518,853.89 and 6,437,801.14 is: 9,656,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,925.34 : 31,518,853.89 = 6,437,801.14 : x
  2. Step 2: Convert to fraction form
    21,011,925.34/31,518,853.89 = 6,437,801.14/x
  3. Step 3: Cross multiply
    21,011,925.34x = 31,518,853.89 × 6,437,801.14
  4. Step 4: Simplify right side
    21,011,925.34x = 202,912,113,504,535.44
  5. Step 5: Solve for x
    x = 202,912,113,504,535.44/21,011,925.34
  6. Step 6: Final answer
    x = 9,656,997.64

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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.