Home / 15,226,692.12-21,010,897.98-8,700,744.60

Finding the Fourth Proportional to 15,226,692.12, 21,010,897.98 and 8,700,744.60

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Solution

The fourth proportional to 15,226,692.12, 21,010,897.98 and 8,700,744.60 is: 12,005,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226,692.12 : 21,010,897.98 = 8,700,744.60 : x
  2. Step 2: Convert to fraction form
    15,226,692.12/21,010,897.98 = 8,700,744.60/x
  3. Step 3: Cross multiply
    15,226,692.12x = 21,010,897.98 × 8,700,744.60
  4. Step 4: Simplify right side
    15,226,692.12x = 182,810,457,140,635.91
  5. Step 5: Solve for x
    x = 182,810,457,140,635.91/15,226,692.12
  6. Step 6: Final answer
    x = 12,005,920.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.