Home / 13,116,535.64-19,648,454.36-6,531,405.76

Finding the Fourth Proportional to 13,116,535.64, 19,648,454.36 and 6,531,405.76

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Solution

The fourth proportional to 13,116,535.64, 19,648,454.36 and 6,531,405.76 is: 9,783,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,535.64 : 19,648,454.36 = 6,531,405.76 : x
  2. Step 2: Convert to fraction form
    13,116,535.64/19,648,454.36 = 6,531,405.76/x
  3. Step 3: Cross multiply
    13,116,535.64x = 19,648,454.36 × 6,531,405.76
  4. Step 4: Simplify right side
    13,116,535.64x = 128,332,027,982,001.11
  5. Step 5: Solve for x
    x = 128,332,027,982,001.11/13,116,535.64
  6. Step 6: Final answer
    x = 9,783,988.05

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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.