Home / 7,168,773.25-9,892,877.25-3,905,577.82

Finding the Fourth Proportional to 7,168,773.25, 9,892,877.25 and 3,905,577.82

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Solution

The fourth proportional to 7,168,773.25, 9,892,877.25 and 3,905,577.82 is: 5,389,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,773.25 : 9,892,877.25 = 3,905,577.82 : x
  2. Step 2: Convert to fraction form
    7,168,773.25/9,892,877.25 = 3,905,577.82/x
  3. Step 3: Cross multiply
    7,168,773.25x = 9,892,877.25 × 3,905,577.82
  4. Step 4: Simplify right side
    7,168,773.25x = 38,637,401,963,582.59
  5. Step 5: Solve for x
    x = 38,637,401,963,582.59/7,168,773.25
  6. Step 6: Final answer
    x = 5,389,681.14

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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.