Home / 14,490,633.33-19,997,117.67-7,964,931.51

Finding the Fourth Proportional to 14,490,633.33, 19,997,117.67 and 7,964,931.51

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Solution

The fourth proportional to 14,490,633.33, 19,997,117.67 and 7,964,931.51 is: 10,991,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490,633.33 : 19,997,117.67 = 7,964,931.51 : x
  2. Step 2: Convert to fraction form
    14,490,633.33/19,997,117.67 = 7,964,931.51/x
  3. Step 3: Cross multiply
    14,490,633.33x = 19,997,117.67 × 7,964,931.51
  4. Step 4: Simplify right side
    14,490,633.33x = 159,275,672,638,960.78
  5. Step 5: Solve for x
    x = 159,275,672,638,960.78/14,490,633.33
  6. Step 6: Final answer
    x = 10,991,629.49

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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.