Home / 30,364,320.80-45,496,092.72-21,369,977.12

Finding the Fourth Proportional to 30,364,320.80, 45,496,092.72 and 21,369,977.12

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Solution

The fourth proportional to 30,364,320.80, 45,496,092.72 and 21,369,977.12 is: 32,019,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364,320.80 : 45,496,092.72 = 21,369,977.12 : x
  2. Step 2: Convert to fraction form
    30,364,320.80/45,496,092.72 = 21,369,977.12/x
  3. Step 3: Cross multiply
    30,364,320.80x = 45,496,092.72 × 21,369,977.12
  4. Step 4: Simplify right side
    30,364,320.80x = 972,250,460,475,798.62
  5. Step 5: Solve for x
    x = 972,250,460,475,798.62/30,364,320.80
  6. Step 6: Final answer
    x = 32,019,502.98

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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.