Home / 7,043,292.81-9,719,722.40-3,903,756.65

Finding the Fourth Proportional to 7,043,292.81, 9,719,722.40 and 3,903,756.65

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Solution

The fourth proportional to 7,043,292.81, 9,719,722.40 and 3,903,756.65 is: 5,387,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,292.81 : 9,719,722.40 = 3,903,756.65 : x
  2. Step 2: Convert to fraction form
    7,043,292.81/9,719,722.40 = 3,903,756.65/x
  3. Step 3: Cross multiply
    7,043,292.81x = 9,719,722.40 × 3,903,756.65
  4. Step 4: Simplify right side
    7,043,292.81x = 37,943,430,955,153.96
  5. Step 5: Solve for x
    x = 37,943,430,955,153.96/7,043,292.81
  6. Step 6: Final answer
    x = 5,387,172.16

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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.