Home / 30,353,262.28-45,529,971.18-12,402,366.28

Finding the Fourth Proportional to 30,353,262.28, 45,529,971.18 and 12,402,366.28

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Solution

The fourth proportional to 30,353,262.28, 45,529,971.18 and 12,402,366.28 is: 18,603,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,262.28 : 45,529,971.18 = 12,402,366.28 : x
  2. Step 2: Convert to fraction form
    30,353,262.28/45,529,971.18 = 12,402,366.28/x
  3. Step 3: Cross multiply
    30,353,262.28x = 45,529,971.18 × 12,402,366.28
  4. Step 4: Simplify right side
    30,353,262.28x = 564,679,379,292,203.75
  5. Step 5: Solve for x
    x = 564,679,379,292,203.75/30,353,262.28
  6. Step 6: Final answer
    x = 18,603,581.19

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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.