Home / 9,001,199.12-12,421,559.79-4,871,140.74

Finding the Fourth Proportional to 9,001,199.12, 12,421,559.79 and 4,871,140.74

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Solution

The fourth proportional to 9,001,199.12, 12,421,559.79 and 4,871,140.74 is: 6,722,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001,199.12 : 12,421,559.79 = 4,871,140.74 : x
  2. Step 2: Convert to fraction form
    9,001,199.12/12,421,559.79 = 4,871,140.74/x
  3. Step 3: Cross multiply
    9,001,199.12x = 12,421,559.79 × 4,871,140.74
  4. Step 4: Simplify right side
    9,001,199.12x = 60,507,165,947,414.84
  5. Step 5: Solve for x
    x = 60,507,165,947,414.84/9,001,199.12
  6. Step 6: Final answer
    x = 6,722,122.82

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1.5x scale

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.