Home / 8,578,509.33-12,869,943.74-2,430,484.31

Finding the Fourth Proportional to 8,578,509.33, 12,869,943.74 and 2,430,484.31

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Solution

The fourth proportional to 8,578,509.33, 12,869,943.74 and 2,430,484.31 is: 3,646,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,509.33 : 12,869,943.74 = 2,430,484.31 : x
  2. Step 2: Convert to fraction form
    8,578,509.33/12,869,943.74 = 2,430,484.31/x
  3. Step 3: Cross multiply
    8,578,509.33x = 12,869,943.74 × 2,430,484.31
  4. Step 4: Simplify right side
    8,578,509.33x = 31,280,196,330,652.72
  5. Step 5: Solve for x
    x = 31,280,196,330,652.72/8,578,509.33
  6. Step 6: Final answer
    x = 3,646,344.04

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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.