Home / 9,019,421.28-12,447,310.50-5,350,510.08

Finding the Fourth Proportional to 9,019,421.28, 12,447,310.50 and 5,350,510.08

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Solution

The fourth proportional to 9,019,421.28, 12,447,310.50 and 5,350,510.08 is: 7,384,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019,421.28 : 12,447,310.50 = 5,350,510.08 : x
  2. Step 2: Convert to fraction form
    9,019,421.28/12,447,310.50 = 5,350,510.08/x
  3. Step 3: Cross multiply
    9,019,421.28x = 12,447,310.50 × 5,350,510.08
  4. Step 4: Simplify right side
    9,019,421.28x = 66,599,460,299,139.84
  5. Step 5: Solve for x
    x = 66,599,460,299,139.84/9,019,421.28
  6. Step 6: Final answer
    x = 7,384,005.94

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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.