Home / 14,572,005.70-21,872,005.35-7,391,647.30

Finding the Fourth Proportional to 14,572,005.70, 21,872,005.35 and 7,391,647.30

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Solution

The fourth proportional to 14,572,005.70, 21,872,005.35 and 7,391,647.30 is: 11,094,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572,005.70 : 21,872,005.35 = 7,391,647.30 : x
  2. Step 2: Convert to fraction form
    14,572,005.70/21,872,005.35 = 7,391,647.30/x
  3. Step 3: Cross multiply
    14,572,005.70x = 21,872,005.35 × 7,391,647.30
  4. Step 4: Simplify right side
    14,572,005.70x = 161,670,149,290,913.06
  5. Step 5: Solve for x
    x = 161,670,149,290,913.06/14,572,005.70
  6. Step 6: Final answer
    x = 11,094,570.82

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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.