Home / 10,790,638.60-16,185,957.90-7,389,416.20

Finding the Fourth Proportional to 10,790,638.60, 16,185,957.90 and 7,389,416.20

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Solution

The fourth proportional to 10,790,638.60, 16,185,957.90 and 7,389,416.20 is: 11,084,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,638.60 : 16,185,957.90 = 7,389,416.20 : x
  2. Step 2: Convert to fraction form
    10,790,638.60/16,185,957.90 = 7,389,416.20/x
  3. Step 3: Cross multiply
    10,790,638.60x = 16,185,957.90 × 7,389,416.20
  4. Step 4: Simplify right side
    10,790,638.60x = 119,604,779,518,777.98
  5. Step 5: Solve for x
    x = 119,604,779,518,777.98/10,790,638.60
  6. Step 6: Final answer
    x = 11,084,124.30

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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.