Home / 6,931,676.11-10,398,510.47-2,139,775.64

Finding the Fourth Proportional to 6,931,676.11, 10,398,510.47 and 2,139,775.64

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Solution

The fourth proportional to 6,931,676.11, 10,398,510.47 and 2,139,775.64 is: 3,209,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,676.11 : 10,398,510.47 = 2,139,775.64 : x
  2. Step 2: Convert to fraction form
    6,931,676.11/10,398,510.47 = 2,139,775.64/x
  3. Step 3: Cross multiply
    6,931,676.11x = 10,398,510.47 × 2,139,775.64
  4. Step 4: Simplify right side
    6,931,676.11x = 22,250,479,395,990.95
  5. Step 5: Solve for x
    x = 22,250,479,395,990.95/6,931,676.11
  6. Step 6: Final answer
    x = 3,209,971.01

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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.