Home / 12,680,539.56-19,021,431.42-5,106,482.28

Finding the Fourth Proportional to 12,680,539.56, 19,021,431.42 and 5,106,482.28

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Solution

The fourth proportional to 12,680,539.56, 19,021,431.42 and 5,106,482.28 is: 7,659,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,539.56 : 19,021,431.42 = 5,106,482.28 : x
  2. Step 2: Convert to fraction form
    12,680,539.56/19,021,431.42 = 5,106,482.28/x
  3. Step 3: Cross multiply
    12,680,539.56x = 19,021,431.42 × 5,106,482.28
  4. Step 4: Simplify right side
    12,680,539.56x = 97,132,602,486,465.25
  5. Step 5: Solve for x
    x = 97,132,602,486,465.25/12,680,539.56
  6. Step 6: Final answer
    x = 7,659,973.93

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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.