Home / 13,470,000.40-20,205,000.60-8,084,731.60

Finding the Fourth Proportional to 13,470,000.40, 20,205,000.60 and 8,084,731.60

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Solution

The fourth proportional to 13,470,000.40, 20,205,000.60 and 8,084,731.60 is: 12,127,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,000.40 : 20,205,000.60 = 8,084,731.60 : x
  2. Step 2: Convert to fraction form
    13,470,000.40/20,205,000.60 = 8,084,731.60/x
  3. Step 3: Cross multiply
    13,470,000.40x = 20,205,000.60 × 8,084,731.60
  4. Step 4: Simplify right side
    13,470,000.40x = 163,352,006,828,838.97
  5. Step 5: Solve for x
    x = 163,352,006,828,838.97/13,470,000.40
  6. Step 6: Final answer
    x = 12,127,097.40

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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.