Home / 12,605,153.17-18,912,494.96-4,934,280.22

Finding the Fourth Proportional to 12,605,153.17, 18,912,494.96 and 4,934,280.22

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Solution

The fourth proportional to 12,605,153.17, 18,912,494.96 and 4,934,280.22 is: 7,403,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,153.17 : 18,912,494.96 = 4,934,280.22 : x
  2. Step 2: Convert to fraction form
    12,605,153.17/18,912,494.96 = 4,934,280.22/x
  3. Step 3: Cross multiply
    12,605,153.17x = 18,912,494.96 × 4,934,280.22
  4. Step 4: Simplify right side
    12,605,153.17x = 93,319,549,791,977.69
  5. Step 5: Solve for x
    x = 93,319,549,791,977.69/12,605,153.17
  6. Step 6: Final answer
    x = 7,403,285.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.