Home / 12,774,518.10-19,161,777.15-8,239,554.90

Finding the Fourth Proportional to 12,774,518.10, 19,161,777.15 and 8,239,554.90

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Solution

The fourth proportional to 12,774,518.10, 19,161,777.15 and 8,239,554.90 is: 12,359,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,518.10 : 19,161,777.15 = 8,239,554.90 : x
  2. Step 2: Convert to fraction form
    12,774,518.10/19,161,777.15 = 8,239,554.90/x
  3. Step 3: Cross multiply
    12,774,518.10x = 19,161,777.15 × 8,239,554.90
  4. Step 4: Simplify right side
    12,774,518.10x = 157,884,514,808,990.53
  5. Step 5: Solve for x
    x = 157,884,514,808,990.53/12,774,518.10
  6. Step 6: Final answer
    x = 12,359,332.35

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Similar ratio
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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.