Home / 5,564,128.34-7,695,401.75-4,990,959.38

Finding the Fourth Proportional to 5,564,128.34, 7,695,401.75 and 4,990,959.38

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Solution

The fourth proportional to 5,564,128.34, 7,695,401.75 and 4,990,959.38 is: 6,902,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564,128.34 : 7,695,401.75 = 4,990,959.38 : x
  2. Step 2: Convert to fraction form
    5,564,128.34/7,695,401.75 = 4,990,959.38/x
  3. Step 3: Cross multiply
    5,564,128.34x = 7,695,401.75 × 4,990,959.38
  4. Step 4: Simplify right side
    5,564,128.34x = 38,407,437,483,599.11
  5. Step 5: Solve for x
    x = 38,407,437,483,599.11/5,564,128.34
  6. Step 6: Final answer
    x = 6,902,687.21

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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.