Home / 7,249,568.40-10,865,021.40-5,558,288.40

Finding the Fourth Proportional to 7,249,568.40, 10,865,021.40 and 5,558,288.40

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Solution

The fourth proportional to 7,249,568.40, 10,865,021.40 and 5,558,288.40 is: 8,330,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,568.40 : 10,865,021.40 = 5,558,288.40 : x
  2. Step 2: Convert to fraction form
    7,249,568.40/10,865,021.40 = 5,558,288.40/x
  3. Step 3: Cross multiply
    7,249,568.40x = 10,865,021.40 × 5,558,288.40
  4. Step 4: Simplify right side
    7,249,568.40x = 60,390,922,413,371.77
  5. Step 5: Solve for x
    x = 60,390,922,413,371.77/7,249,568.40
  6. Step 6: Final answer
    x = 8,330,278.31

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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.