Home / 8,996,676.47-12,402,500.48-6,413,873.21

Finding the Fourth Proportional to 8,996,676.47, 12,402,500.48 and 6,413,873.21

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Solution

The fourth proportional to 8,996,676.47, 12,402,500.48 and 6,413,873.21 is: 8,841,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996,676.47 : 12,402,500.48 = 6,413,873.21 : x
  2. Step 2: Convert to fraction form
    8,996,676.47/12,402,500.48 = 6,413,873.21/x
  3. Step 3: Cross multiply
    8,996,676.47x = 12,402,500.48 × 6,413,873.21
  4. Step 4: Simplify right side
    8,996,676.47x = 79,548,065,471,602.27
  5. Step 5: Solve for x
    x = 79,548,065,471,602.27/8,996,676.47
  6. Step 6: Final answer
    x = 8,841,939.11

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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.