Home / 21,011,925.84-31,518,854.64-6,437,801.64

Finding the Fourth Proportional to 21,011,925.84, 31,518,854.64 and 6,437,801.64

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Solution

The fourth proportional to 21,011,925.84, 31,518,854.64 and 6,437,801.64 is: 9,656,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011,925.84 : 31,518,854.64 = 6,437,801.64 : x
  2. Step 2: Convert to fraction form
    21,011,925.84/31,518,854.64 = 6,437,801.64/x
  3. Step 3: Cross multiply
    21,011,925.84x = 31,518,854.64 × 6,437,801.64
  4. Step 4: Simplify right side
    21,011,925.84x = 202,912,134,092,313.59
  5. Step 5: Solve for x
    x = 202,912,134,092,313.59/21,011,925.84
  6. Step 6: Final answer
    x = 9,656,998.39

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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.