Home / 19,154,609.12-28,706,962.44-7,781,762

Finding the Fourth Proportional to 19,154,609.12, 28,706,962.44 and 7,781,762

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Solution

The fourth proportional to 19,154,609.12, 28,706,962.44 and 7,781,762 is: 11,662,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,609.12 : 28,706,962.44 = 7,781,762 : x
  2. Step 2: Convert to fraction form
    19,154,609.12/28,706,962.44 = 7,781,762/x
  3. Step 3: Cross multiply
    19,154,609.12x = 28,706,962.44 × 7,781,762
  4. Step 4: Simplify right side
    19,154,609.12x = 223,390,749,451,019.28
  5. Step 5: Solve for x
    x = 223,390,749,451,019.28/19,154,609.12
  6. Step 6: Final answer
    x = 11,662,506.30

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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.