Home / 19,890,653.42-29,835,988.40-8,948,061.69

Finding the Fourth Proportional to 19,890,653.42, 29,835,988.40 and 8,948,061.69

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Solution

The fourth proportional to 19,890,653.42, 29,835,988.40 and 8,948,061.69 is: 13,422,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,653.42 : 29,835,988.40 = 8,948,061.69 : x
  2. Step 2: Convert to fraction form
    19,890,653.42/29,835,988.40 = 8,948,061.69/x
  3. Step 3: Cross multiply
    19,890,653.42x = 29,835,988.40 × 8,948,061.69
  4. Step 4: Simplify right side
    19,890,653.42x = 266,974,264,861,542.75
  5. Step 5: Solve for x
    x = 266,974,264,861,542.75/19,890,653.42
  6. Step 6: Final answer
    x = 13,422,096.26

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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.