Home / 7,950,308.70-11,931,398.74-5,905,690.64

Finding the Fourth Proportional to 7,950,308.70, 11,931,398.74 and 5,905,690.64

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Solution

The fourth proportional to 7,950,308.70, 11,931,398.74 and 5,905,690.64 is: 8,862,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950,308.70 : 11,931,398.74 = 5,905,690.64 : x
  2. Step 2: Convert to fraction form
    7,950,308.70/11,931,398.74 = 5,905,690.64/x
  3. Step 3: Cross multiply
    7,950,308.70x = 11,931,398.74 × 5,905,690.64
  4. Step 4: Simplify right side
    7,950,308.70x = 70,463,149,860,925.80
  5. Step 5: Solve for x
    x = 70,463,149,860,925.80/7,950,308.70
  6. Step 6: Final answer
    x = 8,862,945.14

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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.