Home / 28,988,586.40-43,488,128.40-14,575,381.60

Finding the Fourth Proportional to 28,988,586.40, 43,488,128.40 and 14,575,381.60

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Solution

The fourth proportional to 28,988,586.40, 43,488,128.40 and 14,575,381.60 is: 21,865,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,586.40 : 43,488,128.40 = 14,575,381.60 : x
  2. Step 2: Convert to fraction form
    28,988,586.40/43,488,128.40 = 14,575,381.60/x
  3. Step 3: Cross multiply
    28,988,586.40x = 43,488,128.40 × 14,575,381.60
  4. Step 4: Simplify right side
    28,988,586.40x = 633,856,066,499,797.38
  5. Step 5: Solve for x
    x = 633,856,066,499,797.38/28,988,586.40
  6. Step 6: Final answer
    x = 21,865,711.48

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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.