Home / 7,249,769.40-10,874,615.70-1,858,409.40

Finding the Fourth Proportional to 7,249,769.40, 10,874,615.70 and 1,858,409.40

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Solution

The fourth proportional to 7,249,769.40, 10,874,615.70 and 1,858,409.40 is: 2,787,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,769.40 : 10,874,615.70 = 1,858,409.40 : x
  2. Step 2: Convert to fraction form
    7,249,769.40/10,874,615.70 = 1,858,409.40/x
  3. Step 3: Cross multiply
    7,249,769.40x = 10,874,615.70 × 1,858,409.40
  4. Step 4: Simplify right side
    7,249,769.40x = 20,209,488,038,267.58
  5. Step 5: Solve for x
    x = 20,209,488,038,267.58/7,249,769.40
  6. Step 6: Final answer
    x = 2,787,604.26

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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.