Home / 30,521,796.70-45,782,695.05-26,411,986.30

Finding the Fourth Proportional to 30,521,796.70, 45,782,695.05 and 26,411,986.30

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Solution

The fourth proportional to 30,521,796.70, 45,782,695.05 and 26,411,986.30 is: 39,617,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,796.70 : 45,782,695.05 = 26,411,986.30 : x
  2. Step 2: Convert to fraction form
    30,521,796.70/45,782,695.05 = 26,411,986.30/x
  3. Step 3: Cross multiply
    30,521,796.70x = 45,782,695.05 × 26,411,986.30
  4. Step 4: Simplify right side
    30,521,796.70x = 1,209,211,914,437,677.75
  5. Step 5: Solve for x
    x = 1,209,211,914,437,677.75/30,521,796.70
  6. Step 6: Final answer
    x = 39,617,979.45

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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.