Home / 13,713,509.70-20,570,439.51-9,452,533.86

Finding the Fourth Proportional to 13,713,509.70, 20,570,439.51 and 9,452,533.86

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Solution

The fourth proportional to 13,713,509.70, 20,570,439.51 and 9,452,533.86 is: 14,178,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,509.70 : 20,570,439.51 = 9,452,533.86 : x
  2. Step 2: Convert to fraction form
    13,713,509.70/20,570,439.51 = 9,452,533.86/x
  3. Step 3: Cross multiply
    13,713,509.70x = 20,570,439.51 × 9,452,533.86
  4. Step 4: Simplify right side
    13,713,509.70x = 194,442,775,983,356.81
  5. Step 5: Solve for x
    x = 194,442,775,983,356.81/13,713,509.70
  6. Step 6: Final answer
    x = 14,178,921.39

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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.