Home / 13,116,531.64-19,648,448.36-6,531,401.76

Finding the Fourth Proportional to 13,116,531.64, 19,648,448.36 and 6,531,401.76

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Solution

The fourth proportional to 13,116,531.64, 19,648,448.36 and 6,531,401.76 is: 9,783,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,531.64 : 19,648,448.36 = 6,531,401.76 : x
  2. Step 2: Convert to fraction form
    13,116,531.64/19,648,448.36 = 6,531,401.76/x
  3. Step 3: Cross multiply
    13,116,531.64x = 19,648,448.36 × 6,531,401.76
  4. Step 4: Simplify right side
    13,116,531.64x = 128,331,910,199,773.11
  5. Step 5: Solve for x
    x = 128,331,910,199,773.11/13,116,531.64
  6. Step 6: Final answer
    x = 9,783,982.06

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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.