Home / 7,925,705.81-11,871,477.09-5,352,772.47

Finding the Fourth Proportional to 7,925,705.81, 11,871,477.09 and 5,352,772.47

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Solution

The fourth proportional to 7,925,705.81, 11,871,477.09 and 5,352,772.47 is: 8,017,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925,705.81 : 11,871,477.09 = 5,352,772.47 : x
  2. Step 2: Convert to fraction form
    7,925,705.81/11,871,477.09 = 5,352,772.47/x
  3. Step 3: Cross multiply
    7,925,705.81x = 11,871,477.09 × 5,352,772.47
  4. Step 4: Simplify right side
    7,925,705.81x = 63,545,315,745,587.71
  5. Step 5: Solve for x
    x = 63,545,315,745,587.71/7,925,705.81
  6. Step 6: Final answer
    x = 8,017,622.32

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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.