Home / 6,518,459.75-8,995,929.12-4,309,484.67

Finding the Fourth Proportional to 6,518,459.75, 8,995,929.12 and 4,309,484.67

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Solution

The fourth proportional to 6,518,459.75, 8,995,929.12 and 4,309,484.67 is: 5,947,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,459.75 : 8,995,929.12 = 4,309,484.67 : x
  2. Step 2: Convert to fraction form
    6,518,459.75/8,995,929.12 = 4,309,484.67/x
  3. Step 3: Cross multiply
    6,518,459.75x = 8,995,929.12 × 4,309,484.67
  4. Step 4: Simplify right side
    6,518,459.75x = 38,767,818,609,745.53
  5. Step 5: Solve for x
    x = 38,767,818,609,745.53/6,518,459.75
  6. Step 6: Final answer
    x = 5,947,389.43

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1.5x scale

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.