Home / 28,613,430.84-42,939,053.46-13,471,692.60

Finding the Fourth Proportional to 28,613,430.84, 42,939,053.46 and 13,471,692.60

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Solution

The fourth proportional to 28,613,430.84, 42,939,053.46 and 13,471,692.60 is: 20,216,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613,430.84 : 42,939,053.46 = 13,471,692.60 : x
  2. Step 2: Convert to fraction form
    28,613,430.84/42,939,053.46 = 13,471,692.60/x
  3. Step 3: Cross multiply
    28,613,430.84x = 42,939,053.46 × 13,471,692.60
  4. Step 4: Simplify right side
    28,613,430.84x = 578,461,728,748,086.38
  5. Step 5: Solve for x
    x = 578,461,728,748,086.38/28,613,430.84
  6. Step 6: Final answer
    x = 20,216,440.73

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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.