Home / 18,482,178.86-25,506,362.31-10,642,854.68

Finding the Fourth Proportional to 18,482,178.86, 25,506,362.31 and 10,642,854.68

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Solution

The fourth proportional to 18,482,178.86, 25,506,362.31 and 10,642,854.68 is: 14,687,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482,178.86 : 25,506,362.31 = 10,642,854.68 : x
  2. Step 2: Convert to fraction form
    18,482,178.86/25,506,362.31 = 10,642,854.68/x
  3. Step 3: Cross multiply
    18,482,178.86x = 25,506,362.31 × 10,642,854.68
  4. Step 4: Simplify right side
    18,482,178.86x = 271,460,507,544,524.97
  5. Step 5: Solve for x
    x = 271,460,507,544,524.97/18,482,178.86
  6. Step 6: Final answer
    x = 14,687,689.67

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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.