Home / 11,562,405.40-15,955,491-6,405,459.40

Finding the Fourth Proportional to 11,562,405.40, 15,955,491 and 6,405,459.40

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Solution

The fourth proportional to 11,562,405.40, 15,955,491 and 6,405,459.40 is: 8,839,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562,405.40 : 15,955,491 = 6,405,459.40 : x
  2. Step 2: Convert to fraction form
    11,562,405.40/15,955,491 = 6,405,459.40/x
  3. Step 3: Cross multiply
    11,562,405.40x = 15,955,491 × 6,405,459.40
  4. Step 4: Simplify right side
    11,562,405.40x = 102,202,249,807,565.41
  5. Step 5: Solve for x
    x = 102,202,249,807,565.41/11,562,405.40
  6. Step 6: Final answer
    x = 8,839,185.82

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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.