Home / 19,081,298.40-28,655,125.20-10,123,346.40

Finding the Fourth Proportional to 19,081,298.40, 28,655,125.20 and 10,123,346.40

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Solution

The fourth proportional to 19,081,298.40, 28,655,125.20 and 10,123,346.40 is: 15,202,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081,298.40 : 28,655,125.20 = 10,123,346.40 : x
  2. Step 2: Convert to fraction form
    19,081,298.40/28,655,125.20 = 10,123,346.40/x
  3. Step 3: Cross multiply
    19,081,298.40x = 28,655,125.20 × 10,123,346.40
  4. Step 4: Simplify right side
    19,081,298.40x = 290,085,758,534,969.31
  5. Step 5: Solve for x
    x = 290,085,758,534,969.31/19,081,298.40
  6. Step 6: Final answer
    x = 15,202,621.56

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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.