Home / 12,616,021.60-18,924,032.40-9,784,866.40

Finding the Fourth Proportional to 12,616,021.60, 18,924,032.40 and 9,784,866.40

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Solution

The fourth proportional to 12,616,021.60, 18,924,032.40 and 9,784,866.40 is: 14,677,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,021.60 : 18,924,032.40 = 9,784,866.40 : x
  2. Step 2: Convert to fraction form
    12,616,021.60/18,924,032.40 = 9,784,866.40/x
  3. Step 3: Cross multiply
    12,616,021.60x = 18,924,032.40 × 9,784,866.40
  4. Step 4: Simplify right side
    12,616,021.60x = 185,169,128,783,271.34
  5. Step 5: Solve for x
    x = 185,169,128,783,271.34/12,616,021.60
  6. Step 6: Final answer
    x = 14,677,299.60

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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.