Home / 19,557,468.59-29,335,478.99-7,890,885.50

Finding the Fourth Proportional to 19,557,468.59, 29,335,478.99 and 7,890,885.50

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Solution

The fourth proportional to 19,557,468.59, 29,335,478.99 and 7,890,885.50 is: 11,836,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557,468.59 : 29,335,478.99 = 7,890,885.50 : x
  2. Step 2: Convert to fraction form
    19,557,468.59/29,335,478.99 = 7,890,885.50/x
  3. Step 3: Cross multiply
    19,557,468.59x = 29,335,478.99 × 7,890,885.50
  4. Step 4: Simplify right side
    19,557,468.59x = 231,482,905,861,220.75
  5. Step 5: Solve for x
    x = 231,482,905,861,220.75/19,557,468.59
  6. Step 6: Final answer
    x = 11,836,036.18

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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.