Home / 13,158,875.60-19,738,313.40-7,850,459.60

Finding the Fourth Proportional to 13,158,875.60, 19,738,313.40 and 7,850,459.60

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Solution

The fourth proportional to 13,158,875.60, 19,738,313.40 and 7,850,459.60 is: 11,775,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,875.60 : 19,738,313.40 = 7,850,459.60 : x
  2. Step 2: Convert to fraction form
    13,158,875.60/19,738,313.40 = 7,850,459.60/x
  3. Step 3: Cross multiply
    13,158,875.60x = 19,738,313.40 × 7,850,459.60
  4. Step 4: Simplify right side
    13,158,875.60x = 154,954,831,918,838.62
  5. Step 5: Solve for x
    x = 154,954,831,918,838.62/13,158,875.60
  6. Step 6: Final answer
    x = 11,775,689.40

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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.