Home / 8,921,749.32-12,311,612.82-5,054,191.56

Finding the Fourth Proportional to 8,921,749.32, 12,311,612.82 and 5,054,191.56

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Solution

The fourth proportional to 8,921,749.32, 12,311,612.82 and 5,054,191.56 is: 6,974,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,749.32 : 12,311,612.82 = 5,054,191.56 : x
  2. Step 2: Convert to fraction form
    8,921,749.32/12,311,612.82 = 5,054,191.56/x
  3. Step 3: Cross multiply
    8,921,749.32x = 12,311,612.82 × 5,054,191.56
  4. Step 4: Simplify right side
    8,921,749.32x = 62,225,249,604,831.80
  5. Step 5: Solve for x
    x = 62,225,249,604,831.80/8,921,749.32
  6. Step 6: Final answer
    x = 6,974,557.05

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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.