Home / 21,458,813.70-32,188,220.55-14,656,368.90

Finding the Fourth Proportional to 21,458,813.70, 32,188,220.55 and 14,656,368.90

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Solution

The fourth proportional to 21,458,813.70, 32,188,220.55 and 14,656,368.90 is: 21,984,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,813.70 : 32,188,220.55 = 14,656,368.90 : x
  2. Step 2: Convert to fraction form
    21,458,813.70/32,188,220.55 = 14,656,368.90/x
  3. Step 3: Cross multiply
    21,458,813.70x = 32,188,220.55 × 14,656,368.90
  4. Step 4: Simplify right side
    21,458,813.70x = 471,762,434,615,360.94
  5. Step 5: Solve for x
    x = 471,762,434,615,360.94/21,458,813.70
  6. Step 6: Final answer
    x = 21,984,553.35

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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.