Home / 19,149,725.40-28,724,588.10-9,072,029.40

Finding the Fourth Proportional to 19,149,725.40, 28,724,588.10 and 9,072,029.40

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Solution

The fourth proportional to 19,149,725.40, 28,724,588.10 and 9,072,029.40 is: 13,608,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,725.40 : 28,724,588.10 = 9,072,029.40 : x
  2. Step 2: Convert to fraction form
    19,149,725.40/28,724,588.10 = 9,072,029.40/x
  3. Step 3: Cross multiply
    19,149,725.40x = 28,724,588.10 × 9,072,029.40
  4. Step 4: Simplify right side
    19,149,725.40x = 260,590,307,746,090.16
  5. Step 5: Solve for x
    x = 260,590,307,746,090.16/19,149,725.40
  6. Step 6: Final answer
    x = 13,608,044.10

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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.