Home / 9,357,906.60-12,913,449.75-5,227,117.40

Finding the Fourth Proportional to 9,357,906.60, 12,913,449.75 and 5,227,117.40

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Solution

The fourth proportional to 9,357,906.60, 12,913,449.75 and 5,227,117.40 is: 7,213,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,906.60 : 12,913,449.75 = 5,227,117.40 : x
  2. Step 2: Convert to fraction form
    9,357,906.60/12,913,449.75 = 5,227,117.40/x
  3. Step 3: Cross multiply
    9,357,906.60x = 12,913,449.75 × 5,227,117.40
  4. Step 4: Simplify right side
    9,357,906.60x = 67,500,117,817,683.40
  5. Step 5: Solve for x
    x = 67,500,117,817,683.40/9,357,906.60
  6. Step 6: Final answer
    x = 7,213,164.30

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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.