Home / 25,838,752.40-38,758,128.60-7,885,523.60

Finding the Fourth Proportional to 25,838,752.40, 38,758,128.60 and 7,885,523.60

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Solution

The fourth proportional to 25,838,752.40, 38,758,128.60 and 7,885,523.60 is: 11,828,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838,752.40 : 38,758,128.60 = 7,885,523.60 : x
  2. Step 2: Convert to fraction form
    25,838,752.40/38,758,128.60 = 7,885,523.60/x
  3. Step 3: Cross multiply
    25,838,752.40x = 38,758,128.60 × 7,885,523.60
  4. Step 4: Simplify right side
    25,838,752.40x = 305,628,137,767,134.94
  5. Step 5: Solve for x
    x = 305,628,137,767,134.94/25,838,752.40
  6. Step 6: Final answer
    x = 11,828,285.40

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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.