Home / 30,925,142.01-42,675,526.80-17,174,991.87

Finding the Fourth Proportional to 30,925,142.01, 42,675,526.80 and 17,174,991.87

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Solution

The fourth proportional to 30,925,142.01, 42,675,526.80 and 17,174,991.87 is: 23,700,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,142.01 : 42,675,526.80 = 17,174,991.87 : x
  2. Step 2: Convert to fraction form
    30,925,142.01/42,675,526.80 = 17,174,991.87/x
  3. Step 3: Cross multiply
    30,925,142.01x = 42,675,526.80 × 17,174,991.87
  4. Step 4: Simplify right side
    30,925,142.01x = 732,951,825,538,714.50
  5. Step 5: Solve for x
    x = 732,951,825,538,714.50/30,925,142.01
  6. Step 6: Final answer
    x = 23,700,839.45

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1.5x scale

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.