Home / 8,583,428.60-12,875,142.90-5,746,743.80

Finding the Fourth Proportional to 8,583,428.60, 12,875,142.90 and 5,746,743.80

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Solution

The fourth proportional to 8,583,428.60, 12,875,142.90 and 5,746,743.80 is: 8,620,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,428.60 : 12,875,142.90 = 5,746,743.80 : x
  2. Step 2: Convert to fraction form
    8,583,428.60/12,875,142.90 = 5,746,743.80/x
  3. Step 3: Cross multiply
    8,583,428.60x = 12,875,142.90 × 5,746,743.80
  4. Step 4: Simplify right side
    8,583,428.60x = 73,990,147,634,689.02
  5. Step 5: Solve for x
    x = 73,990,147,634,689.02/8,583,428.60
  6. Step 6: Final answer
    x = 8,620,115.70

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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.