Home / 13,636,031.06-18,818,123.11-7,441,477.56

Finding the Fourth Proportional to 13,636,031.06, 18,818,123.11 and 7,441,477.56

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Solution

The fourth proportional to 13,636,031.06, 18,818,123.11 and 7,441,477.56 is: 10,269,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,031.06 : 18,818,123.11 = 7,441,477.56 : x
  2. Step 2: Convert to fraction form
    13,636,031.06/18,818,123.11 = 7,441,477.56/x
  3. Step 3: Cross multiply
    13,636,031.06x = 18,818,123.11 × 7,441,477.56
  4. Step 4: Simplify right side
    13,636,031.06x = 140,034,640,825,778.72
  5. Step 5: Solve for x
    x = 140,034,640,825,778.72/13,636,031.06
  6. Step 6: Final answer
    x = 10,269,457.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.