Home / 9,157,385.60-13,736,078.40-8,634,838.40

Finding the Fourth Proportional to 9,157,385.60, 13,736,078.40 and 8,634,838.40

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Solution

The fourth proportional to 9,157,385.60, 13,736,078.40 and 8,634,838.40 is: 12,952,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,385.60 : 13,736,078.40 = 8,634,838.40 : x
  2. Step 2: Convert to fraction form
    9,157,385.60/13,736,078.40 = 8,634,838.40/x
  3. Step 3: Cross multiply
    9,157,385.60x = 13,736,078.40 × 8,634,838.40
  4. Step 4: Simplify right side
    9,157,385.60x = 118,608,817,233,730.56
  5. Step 5: Solve for x
    x = 118,608,817,233,730.56/9,157,385.60
  6. Step 6: Final answer
    x = 12,952,257.60

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1.5x scale

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.