Home / 30,925,141.76-42,675,526.45-17,174,991.62

Finding the Fourth Proportional to 30,925,141.76, 42,675,526.45 and 17,174,991.62

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Solution

The fourth proportional to 30,925,141.76, 42,675,526.45 and 17,174,991.62 is: 23,700,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,141.76 : 42,675,526.45 = 17,174,991.62 : x
  2. Step 2: Convert to fraction form
    30,925,141.76/42,675,526.45 = 17,174,991.62/x
  3. Step 3: Cross multiply
    30,925,141.76x = 42,675,526.45 × 17,174,991.62
  4. Step 4: Simplify right side
    30,925,141.76x = 732,951,808,944,460.75
  5. Step 5: Solve for x
    x = 732,951,808,944,460.75/30,925,141.76
  6. Step 6: Final answer
    x = 23,700,839.10

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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.