Home / 12,386,401.04-18,581,994.24-4,709,448.97

Finding the Fourth Proportional to 12,386,401.04, 18,581,994.24 and 4,709,448.97

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Solution

The fourth proportional to 12,386,401.04, 18,581,994.24 and 4,709,448.97 is: 7,065,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,401.04 : 18,581,994.24 = 4,709,448.97 : x
  2. Step 2: Convert to fraction form
    12,386,401.04/18,581,994.24 = 4,709,448.97/x
  3. Step 3: Cross multiply
    12,386,401.04x = 18,581,994.24 × 4,709,448.97
  4. Step 4: Simplify right side
    12,386,401.04x = 87,510,953,657,021.67
  5. Step 5: Solve for x
    x = 87,510,953,657,021.67/12,386,401.04
  6. Step 6: Final answer
    x = 7,065,083.18

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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.