Home / 14,128,400.79-21,161,703.40-10,017,260.24

Finding the Fourth Proportional to 14,128,400.79, 21,161,703.40 and 10,017,260.24

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Solution

The fourth proportional to 14,128,400.79, 21,161,703.40 and 10,017,260.24 is: 15,003,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,400.79 : 21,161,703.40 = 10,017,260.24 : x
  2. Step 2: Convert to fraction form
    14,128,400.79/21,161,703.40 = 10,017,260.24/x
  3. Step 3: Cross multiply
    14,128,400.79x = 21,161,703.40 × 10,017,260.24
  4. Step 4: Simplify right side
    14,128,400.79x = 211,982,289,948,641.16
  5. Step 5: Solve for x
    x = 211,982,289,948,641.16/14,128,400.79
  6. Step 6: Final answer
    x = 15,003,983.33

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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.