Home / 12,442,692.12-17,166,981.15-9,820,916.52

Finding the Fourth Proportional to 12,442,692.12, 17,166,981.15 and 9,820,916.52

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Solution

The fourth proportional to 12,442,692.12, 17,166,981.15 and 9,820,916.52 is: 13,549,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,692.12 : 17,166,981.15 = 9,820,916.52 : x
  2. Step 2: Convert to fraction form
    12,442,692.12/17,166,981.15 = 9,820,916.52/x
  3. Step 3: Cross multiply
    12,442,692.12x = 17,166,981.15 × 9,820,916.52
  4. Step 4: Simplify right side
    12,442,692.12x = 168,595,488,774,563.56
  5. Step 5: Solve for x
    x = 168,595,488,774,563.56/12,442,692.12
  6. Step 6: Final answer
    x = 13,549,759.74

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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.