Home / 7,745,478.36-10,688,897.56-4,307,720.88

Finding the Fourth Proportional to 7,745,478.36, 10,688,897.56 and 4,307,720.88

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Solution

The fourth proportional to 7,745,478.36, 10,688,897.56 and 4,307,720.88 is: 5,944,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745,478.36 : 10,688,897.56 = 4,307,720.88 : x
  2. Step 2: Convert to fraction form
    7,745,478.36/10,688,897.56 = 4,307,720.88/x
  3. Step 3: Cross multiply
    7,745,478.36x = 10,688,897.56 × 4,307,720.88
  4. Step 4: Simplify right side
    7,745,478.36x = 46,044,787,203,393.05
  5. Step 5: Solve for x
    x = 46,044,787,203,393.05/7,745,478.36
  6. Step 6: Final answer
    x = 5,944,731.24

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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.