Home / 12,973,618.80-19,465,957.80-8,184,985.20

Finding the Fourth Proportional to 12,973,618.80, 19,465,957.80 and 8,184,985.20

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Solution

The fourth proportional to 12,973,618.80, 19,465,957.80 and 8,184,985.20 is: 12,280,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,618.80 : 19,465,957.80 = 8,184,985.20 : x
  2. Step 2: Convert to fraction form
    12,973,618.80/19,465,957.80 = 8,184,985.20/x
  3. Step 3: Cross multiply
    12,973,618.80x = 19,465,957.80 × 8,184,985.20
  4. Step 4: Simplify right side
    12,973,618.80x = 159,328,576,496,824.56
  5. Step 5: Solve for x
    x = 159,328,576,496,824.56/12,973,618.80
  6. Step 6: Final answer
    x = 12,280,966.39

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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.