Home / 10,784,151.45-16,184,261.61-7,912,937.55

Finding the Fourth Proportional to 10,784,151.45, 16,184,261.61 and 7,912,937.55

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Solution

The fourth proportional to 10,784,151.45, 16,184,261.61 and 7,912,937.55 is: 11,875,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,151.45 : 16,184,261.61 = 7,912,937.55 : x
  2. Step 2: Convert to fraction form
    10,784,151.45/16,184,261.61 = 7,912,937.55/x
  3. Step 3: Cross multiply
    10,784,151.45x = 16,184,261.61 × 7,912,937.55
  4. Step 4: Simplify right side
    10,784,151.45x = 128,065,051,412,792.45
  5. Step 5: Solve for x
    x = 128,065,051,412,792.45/10,784,151.45
  6. Step 6: Final answer
    x = 11,875,301.64

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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.