Home / 19,316,609.60-28,974,914.40-9,728,283.20

Finding the Fourth Proportional to 19,316,609.60, 28,974,914.40 and 9,728,283.20

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Solution

The fourth proportional to 19,316,609.60, 28,974,914.40 and 9,728,283.20 is: 14,592,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,609.60 : 28,974,914.40 = 9,728,283.20 : x
  2. Step 2: Convert to fraction form
    19,316,609.60/28,974,914.40 = 9,728,283.20/x
  3. Step 3: Cross multiply
    19,316,609.60x = 28,974,914.40 × 9,728,283.20
  4. Step 4: Simplify right side
    19,316,609.60x = 281,876,172,978,958.06
  5. Step 5: Solve for x
    x = 281,876,172,978,958.06/19,316,609.60
  6. Step 6: Final answer
    x = 14,592,424.80

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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.