Home / 10,905,829.60-16,358,744.40-7,268,411.20

Finding the Fourth Proportional to 10,905,829.60, 16,358,744.40 and 7,268,411.20

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Solution

The fourth proportional to 10,905,829.60, 16,358,744.40 and 7,268,411.20 is: 10,902,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905,829.60 : 16,358,744.40 = 7,268,411.20 : x
  2. Step 2: Convert to fraction form
    10,905,829.60/16,358,744.40 = 7,268,411.20/x
  3. Step 3: Cross multiply
    10,905,829.60x = 16,358,744.40 × 7,268,411.20
  4. Step 4: Simplify right side
    10,905,829.60x = 118,902,081,014,897.28
  5. Step 5: Solve for x
    x = 118,902,081,014,897.28/10,905,829.60
  6. Step 6: Final answer
    x = 10,902,616.80

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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.