Home / 7,160,482.71-9,881,675.46-3,897,507.87

Finding the Fourth Proportional to 7,160,482.71, 9,881,675.46 and 3,897,507.87

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Solution

The fourth proportional to 7,160,482.71, 9,881,675.46 and 3,897,507.87 is: 5,378,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,482.71 : 9,881,675.46 = 3,897,507.87 : x
  2. Step 2: Convert to fraction form
    7,160,482.71/9,881,675.46 = 3,897,507.87/x
  3. Step 3: Cross multiply
    7,160,482.71x = 9,881,675.46 × 3,897,507.87
  4. Step 4: Simplify right side
    7,160,482.71x = 38,513,907,874,135.88
  5. Step 5: Solve for x
    x = 38,513,907,874,135.88/7,160,482.71
  6. Step 6: Final answer
    x = 5,378,674.80

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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.