Home / 13,302,421.70-19,930,012.95-12,452,116.10

Finding the Fourth Proportional to 13,302,421.70, 19,930,012.95 and 12,452,116.10

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Solution

The fourth proportional to 13,302,421.70, 19,930,012.95 and 12,452,116.10 is: 18,656,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,421.70 : 19,930,012.95 = 12,452,116.10 : x
  2. Step 2: Convert to fraction form
    13,302,421.70/19,930,012.95 = 12,452,116.10/x
  3. Step 3: Cross multiply
    13,302,421.70x = 19,930,012.95 × 12,452,116.10
  4. Step 4: Simplify right side
    13,302,421.70x = 248,170,835,127,903.47
  5. Step 5: Solve for x
    x = 248,170,835,127,903.47/13,302,421.70
  6. Step 6: Final answer
    x = 18,656,064.34

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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.