Home / 30,113,143.12-45,144,322.80-13,060,973.44

Finding the Fourth Proportional to 30,113,143.12, 45,144,322.80 and 13,060,973.44

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Solution

The fourth proportional to 30,113,143.12, 45,144,322.80 and 13,060,973.44 is: 19,580,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,143.12 : 45,144,322.80 = 13,060,973.44 : x
  2. Step 2: Convert to fraction form
    30,113,143.12/45,144,322.80 = 13,060,973.44/x
  3. Step 3: Cross multiply
    30,113,143.12x = 45,144,322.80 × 13,060,973.44
  4. Step 4: Simplify right side
    30,113,143.12x = 589,628,801,057,586.38
  5. Step 5: Solve for x
    x = 589,628,801,057,586.38/30,113,143.12
  6. Step 6: Final answer
    x = 19,580,446.94

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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.