Home / 30,286,526.15-45,441,238.71-11,855,643.22

Finding the Fourth Proportional to 30,286,526.15, 45,441,238.71 and 11,855,643.22

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Solution

The fourth proportional to 30,286,526.15, 45,441,238.71 and 11,855,643.22 is: 17,787,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286,526.15 : 45,441,238.71 = 11,855,643.22 : x
  2. Step 2: Convert to fraction form
    30,286,526.15/45,441,238.71 = 11,855,643.22/x
  3. Step 3: Cross multiply
    30,286,526.15x = 45,441,238.71 × 11,855,643.22
  4. Step 4: Simplify right side
    30,286,526.15x = 538,735,113,721,873.19
  5. Step 5: Solve for x
    x = 538,735,113,721,873.19/30,286,526.15
  6. Step 6: Final answer
    x = 17,787,946.73

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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.