Home / 7,893,792.40-11,840,688.60-5,342,875.60

Finding the Fourth Proportional to 7,893,792.40, 11,840,688.60 and 5,342,875.60

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Solution

The fourth proportional to 7,893,792.40, 11,840,688.60 and 5,342,875.60 is: 8,014,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,792.40 : 11,840,688.60 = 5,342,875.60 : x
  2. Step 2: Convert to fraction form
    7,893,792.40/11,840,688.60 = 5,342,875.60/x
  3. Step 3: Cross multiply
    7,893,792.40x = 11,840,688.60 × 5,342,875.60
  4. Step 4: Simplify right side
    7,893,792.40x = 63,263,326,208,138.16
  5. Step 5: Solve for x
    x = 63,263,326,208,138.16/7,893,792.40
  6. Step 6: Final answer
    x = 8,014,313.40

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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.