Home / 25,608,000.30-38,412,000.45-21,184,320.30

Finding the Fourth Proportional to 25,608,000.30, 38,412,000.45 and 21,184,320.30

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Solution

The fourth proportional to 25,608,000.30, 38,412,000.45 and 21,184,320.30 is: 31,776,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608,000.30 : 38,412,000.45 = 21,184,320.30 : x
  2. Step 2: Convert to fraction form
    25,608,000.30/38,412,000.45 = 21,184,320.30/x
  3. Step 3: Cross multiply
    25,608,000.30x = 38,412,000.45 × 21,184,320.30
  4. Step 4: Simplify right side
    25,608,000.30x = 813,732,120,896,544.25
  5. Step 5: Solve for x
    x = 813,732,120,896,544.25/25,608,000.30
  6. Step 6: Final answer
    x = 31,776,480.45

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1.5x scale

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.