Home / 7,721,104.33-10,655,136.53-4,283,345.40

Finding the Fourth Proportional to 7,721,104.33, 10,655,136.53 and 4,283,345.40

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Solution

The fourth proportional to 7,721,104.33, 10,655,136.53 and 4,283,345.40 is: 5,911,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,104.33 : 10,655,136.53 = 4,283,345.40 : x
  2. Step 2: Convert to fraction form
    7,721,104.33/10,655,136.53 = 4,283,345.40/x
  3. Step 3: Cross multiply
    7,721,104.33x = 10,655,136.53 × 4,283,345.40
  4. Step 4: Simplify right side
    7,721,104.33x = 45,639,630,042,147.46
  5. Step 5: Solve for x
    x = 45,639,630,042,147.46/7,721,104.33
  6. Step 6: Final answer
    x = 5,911,023.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.