Home / 30,808,805.09-46,221,847.28-12,377,692.65

Finding the Fourth Proportional to 30,808,805.09, 46,221,847.28 and 12,377,692.65

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Solution

The fourth proportional to 30,808,805.09, 46,221,847.28 and 12,377,692.65 is: 18,570,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808,805.09 : 46,221,847.28 = 12,377,692.65 : x
  2. Step 2: Convert to fraction form
    30,808,805.09/46,221,847.28 = 12,377,692.65/x
  3. Step 3: Cross multiply
    30,808,805.09x = 46,221,847.28 × 12,377,692.65
  4. Step 4: Simplify right side
    30,808,805.09x = 572,119,819,574,562.75
  5. Step 5: Solve for x
    x = 572,119,819,574,562.75/30,808,805.09
  6. Step 6: Final answer
    x = 18,570,010.03

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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.