Home / 13,432,629.20-20,154,899.64-7,041,356.24

Finding the Fourth Proportional to 13,432,629.20, 20,154,899.64 and 7,041,356.24

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Solution

The fourth proportional to 13,432,629.20, 20,154,899.64 and 7,041,356.24 is: 10,565,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,629.20 : 20,154,899.64 = 7,041,356.24 : x
  2. Step 2: Convert to fraction form
    13,432,629.20/20,154,899.64 = 7,041,356.24/x
  3. Step 3: Cross multiply
    13,432,629.20x = 20,154,899.64 × 7,041,356.24
  4. Step 4: Simplify right side
    13,432,629.20x = 141,917,828,346,687.75
  5. Step 5: Solve for x
    x = 141,917,828,346,687.75/13,432,629.20
  6. Step 6: Final answer
    x = 10,565,156.40

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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.