Home / 15,781,510.47-21,793,525.50-14,921,744.68

Finding the Fourth Proportional to 15,781,510.47, 21,793,525.50 and 14,921,744.68

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Solution

The fourth proportional to 15,781,510.47, 21,793,525.50 and 14,921,744.68 is: 20,606,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,510.47 : 21,793,525.50 = 14,921,744.68 : x
  2. Step 2: Convert to fraction form
    15,781,510.47/21,793,525.50 = 14,921,744.68/x
  3. Step 3: Cross multiply
    15,781,510.47x = 21,793,525.50 × 14,921,744.68
  4. Step 4: Simplify right side
    15,781,510.47x = 325,197,423,271,267.81
  5. Step 5: Solve for x
    x = 325,197,423,271,267.81/15,781,510.47
  6. Step 6: Final answer
    x = 20,606,229.28

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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.