Home / 7,330,940.40-10,987,079.40-6,528,457.20

Finding the Fourth Proportional to 7,330,940.40, 10,987,079.40 and 6,528,457.20

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Solution

The fourth proportional to 7,330,940.40, 10,987,079.40 and 6,528,457.20 is: 9,784,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330,940.40 : 10,987,079.40 = 6,528,457.20 : x
  2. Step 2: Convert to fraction form
    7,330,940.40/10,987,079.40 = 6,528,457.20/x
  3. Step 3: Cross multiply
    7,330,940.40x = 10,987,079.40 × 6,528,457.20
  4. Step 4: Simplify right side
    7,330,940.40x = 71,728,677,615,901.69
  5. Step 5: Solve for x
    x = 71,728,677,615,901.69/7,330,940.40
  6. Step 6: Final answer
    x = 9,784,376.04

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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.