Home / 12,788,032.80-19,169,121.29-5,506,241.34

Finding the Fourth Proportional to 12,788,032.80, 19,169,121.29 and 5,506,241.34

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Solution

The fourth proportional to 12,788,032.80, 19,169,121.29 and 5,506,241.34 is: 8,253,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,032.80 : 19,169,121.29 = 5,506,241.34 : x
  2. Step 2: Convert to fraction form
    12,788,032.80/19,169,121.29 = 5,506,241.34/x
  3. Step 3: Cross multiply
    12,788,032.80x = 19,169,121.29 × 5,506,241.34
  4. Step 4: Simplify right side
    12,788,032.80x = 105,549,808,081,454.97
  5. Step 5: Solve for x
    x = 105,549,808,081,454.97/12,788,032.80
  6. Step 6: Final answer
    x = 8,253,795.54

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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.