Home / 7,249,772.40-10,874,620.20-1,858,412.40

Finding the Fourth Proportional to 7,249,772.40, 10,874,620.20 and 1,858,412.40

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Solution

The fourth proportional to 7,249,772.40, 10,874,620.20 and 1,858,412.40 is: 2,787,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,772.40 : 10,874,620.20 = 1,858,412.40 : x
  2. Step 2: Convert to fraction form
    7,249,772.40/10,874,620.20 = 1,858,412.40/x
  3. Step 3: Cross multiply
    7,249,772.40x = 10,874,620.20 × 1,858,412.40
  4. Step 4: Simplify right side
    7,249,772.40x = 20,209,529,024,970.48
  5. Step 5: Solve for x
    x = 20,209,529,024,970.48/7,249,772.40
  6. Step 6: Final answer
    x = 2,787,608.76

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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.