Home / 39,449,965.77-59,180,507.28-12,158,465.67

Finding the Fourth Proportional to 39,449,965.77, 59,180,507.28 and 12,158,465.67

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Solution

The fourth proportional to 39,449,965.77, 59,180,507.28 and 12,158,465.67 is: 18,239,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449,965.77 : 59,180,507.28 = 12,158,465.67 : x
  2. Step 2: Convert to fraction form
    39,449,965.77/59,180,507.28 = 12,158,465.67/x
  3. Step 3: Cross multiply
    39,449,965.77x = 59,180,507.28 × 12,158,465.67
  4. Step 4: Simplify right side
    39,449,965.77x = 719,544,166,097,065.12
  5. Step 5: Solve for x
    x = 719,544,166,097,065.12/39,449,965.77
  6. Step 6: Final answer
    x = 18,239,411.67

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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.