Home / 9,212,187.60-12,708,707.40-5,342,465.52

Finding the Fourth Proportional to 9,212,187.60, 12,708,707.40 and 5,342,465.52

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Solution

The fourth proportional to 9,212,187.60, 12,708,707.40 and 5,342,465.52 is: 7,370,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,187.60 : 12,708,707.40 = 5,342,465.52 : x
  2. Step 2: Convert to fraction form
    9,212,187.60/12,708,707.40 = 5,342,465.52/x
  3. Step 3: Cross multiply
    9,212,187.60x = 12,708,707.40 × 5,342,465.52
  4. Step 4: Simplify right side
    9,212,187.60x = 67,895,831,088,268.84
  5. Step 5: Solve for x
    x = 67,895,831,088,268.84/9,212,187.60
  6. Step 6: Final answer
    x = 7,370,218.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.