Home / 7,921,237.96-10,931,025.55-4,483,405.18

Finding the Fourth Proportional to 7,921,237.96, 10,931,025.55 and 4,483,405.18

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Solution

The fourth proportional to 7,921,237.96, 10,931,025.55 and 4,483,405.18 is: 6,186,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,237.96 : 10,931,025.55 = 4,483,405.18 : x
  2. Step 2: Convert to fraction form
    7,921,237.96/10,931,025.55 = 4,483,405.18/x
  3. Step 3: Cross multiply
    7,921,237.96x = 10,931,025.55 × 4,483,405.18
  4. Step 4: Simplify right side
    7,921,237.96x = 49,008,216,496,510.20
  5. Step 5: Solve for x
    x = 49,008,216,496,510.20/7,921,237.96
  6. Step 6: Final answer
    x = 6,186,939.06

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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.