Home / 19,152,369.60-28,728,554.40-9,074,673.60

Finding the Fourth Proportional to 19,152,369.60, 28,728,554.40 and 9,074,673.60

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Solution

The fourth proportional to 19,152,369.60, 28,728,554.40 and 9,074,673.60 is: 13,612,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,369.60 : 28,728,554.40 = 9,074,673.60 : x
  2. Step 2: Convert to fraction form
    19,152,369.60/28,728,554.40 = 9,074,673.60/x
  3. Step 3: Cross multiply
    19,152,369.60x = 28,728,554.40 × 9,074,673.60
  4. Step 4: Simplify right side
    19,152,369.60x = 260,702,254,179,843.81
  5. Step 5: Solve for x
    x = 260,702,254,179,843.81/19,152,369.60
  6. Step 6: Final answer
    x = 13,612,010.40

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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.