Home / 33,688,957.13-46,490,900.97-18,219,041.78

Finding the Fourth Proportional to 33,688,957.13, 46,490,900.97 and 18,219,041.78

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Solution

The fourth proportional to 33,688,957.13, 46,490,900.97 and 18,219,041.78 is: 25,142,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688,957.13 : 46,490,900.97 = 18,219,041.78 : x
  2. Step 2: Convert to fraction form
    33,688,957.13/46,490,900.97 = 18,219,041.78/x
  3. Step 3: Cross multiply
    33,688,957.13x = 46,490,900.97 × 18,219,041.78
  4. Step 4: Simplify right side
    33,688,957.13x = 847,019,666,844,407
  5. Step 5: Solve for x
    x = 847,019,666,844,407/33,688,957.13
  6. Step 6: Final answer
    x = 25,142,353.43

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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.