Home / 10,659,411.60-15,989,117.40-7,258,189.20

Finding the Fourth Proportional to 10,659,411.60, 15,989,117.40 and 7,258,189.20

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Solution

The fourth proportional to 10,659,411.60, 15,989,117.40 and 7,258,189.20 is: 10,887,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,411.60 : 15,989,117.40 = 7,258,189.20 : x
  2. Step 2: Convert to fraction form
    10,659,411.60/15,989,117.40 = 7,258,189.20/x
  3. Step 3: Cross multiply
    10,659,411.60x = 15,989,117.40 × 7,258,189.20
  4. Step 4: Simplify right side
    10,659,411.60x = 116,052,039,230,212.08
  5. Step 5: Solve for x
    x = 116,052,039,230,212.08/10,659,411.60
  6. Step 6: Final answer
    x = 10,887,283.80

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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.