Home / 9,281,720.84-12,808,581.72-5,151,509.67

Finding the Fourth Proportional to 9,281,720.84, 12,808,581.72 and 5,151,509.67

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Solution

The fourth proportional to 9,281,720.84, 12,808,581.72 and 5,151,509.67 is: 7,108,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,720.84 : 12,808,581.72 = 5,151,509.67 : x
  2. Step 2: Convert to fraction form
    9,281,720.84/12,808,581.72 = 5,151,509.67/x
  3. Step 3: Cross multiply
    9,281,720.84x = 12,808,581.72 × 5,151,509.67
  4. Step 4: Simplify right side
    9,281,720.84x = 65,983,532,589,565.23
  5. Step 5: Solve for x
    x = 65,983,532,589,565.23/9,281,720.84
  6. Step 6: Final answer
    x = 7,108,976.21

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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.