Home / 10,601,258.40-15,901,887.60-9,887,421.60

Finding the Fourth Proportional to 10,601,258.40, 15,901,887.60 and 9,887,421.60

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Solution

The fourth proportional to 10,601,258.40, 15,901,887.60 and 9,887,421.60 is: 14,831,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601,258.40 : 15,901,887.60 = 9,887,421.60 : x
  2. Step 2: Convert to fraction form
    10,601,258.40/15,901,887.60 = 9,887,421.60/x
  3. Step 3: Cross multiply
    10,601,258.40x = 15,901,887.60 × 9,887,421.60
  4. Step 4: Simplify right side
    10,601,258.40x = 157,228,666,937,012.16
  5. Step 5: Solve for x
    x = 157,228,666,937,012.16/10,601,258.40
  6. Step 6: Final answer
    x = 14,831,132.40

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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.