Home / 12,366,981.60-18,550,472.40-8,587,845.60

Finding the Fourth Proportional to 12,366,981.60, 18,550,472.40 and 8,587,845.60

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Solution

The fourth proportional to 12,366,981.60, 18,550,472.40 and 8,587,845.60 is: 12,881,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,981.60 : 18,550,472.40 = 8,587,845.60 : x
  2. Step 2: Convert to fraction form
    12,366,981.60/18,550,472.40 = 8,587,845.60/x
  3. Step 3: Cross multiply
    12,366,981.60x = 18,550,472.40 × 8,587,845.60
  4. Step 4: Simplify right side
    12,366,981.60x = 159,308,592,778,261.41
  5. Step 5: Solve for x
    x = 159,308,592,778,261.41/12,366,981.60
  6. Step 6: Final answer
    x = 12,881,768.40

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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.