Home / 39,345,511.20-59,018,266.80-13,783,199.10

Finding the Fourth Proportional to 39,345,511.20, 59,018,266.80 and 13,783,199.10

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Solution

The fourth proportional to 39,345,511.20, 59,018,266.80 and 13,783,199.10 is: 20,674,798.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345,511.20 : 59,018,266.80 = 13,783,199.10 : x
  2. Step 2: Convert to fraction form
    39,345,511.20/59,018,266.80 = 13,783,199.10/x
  3. Step 3: Cross multiply
    39,345,511.20x = 59,018,266.80 × 13,783,199.10
  4. Step 4: Simplify right side
    39,345,511.20x = 813,460,521,841,319.88
  5. Step 5: Solve for x
    x = 813,460,521,841,319.88/39,345,511.20
  6. Step 6: Final answer
    x = 20,674,798.65

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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.