Home / 13,459,235.81-18,573,650.73-7,347,664.31

Finding the Fourth Proportional to 13,459,235.81, 18,573,650.73 and 7,347,664.31

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Solution

The fourth proportional to 13,459,235.81, 18,573,650.73 and 7,347,664.31 is: 10,139,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,235.81 : 18,573,650.73 = 7,347,664.31 : x
  2. Step 2: Convert to fraction form
    13,459,235.81/18,573,650.73 = 7,347,664.31/x
  3. Step 3: Cross multiply
    13,459,235.81x = 18,573,650.73 × 7,347,664.31
  4. Step 4: Simplify right side
    13,459,235.81x = 136,472,950,482,358.19
  5. Step 5: Solve for x
    x = 136,472,950,482,358.19/13,459,235.81
  6. Step 6: Final answer
    x = 10,139,725.05

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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.