Home / 19,009,621.40-28,514,432.10-8,774,461.40

Finding the Fourth Proportional to 19,009,621.40, 28,514,432.10 and 8,774,461.40

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Solution

The fourth proportional to 19,009,621.40, 28,514,432.10 and 8,774,461.40 is: 13,161,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,621.40 : 28,514,432.10 = 8,774,461.40 : x
  2. Step 2: Convert to fraction form
    19,009,621.40/28,514,432.10 = 8,774,461.40/x
  3. Step 3: Cross multiply
    19,009,621.40x = 28,514,432.10 × 8,774,461.40
  4. Step 4: Simplify right side
    19,009,621.40x = 250,198,783,804,370.97
  5. Step 5: Solve for x
    x = 250,198,783,804,370.97/19,009,621.40
  6. Step 6: Final answer
    x = 13,161,692.10

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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.