Home / 9,891,632.71-13,650,888.68-5,481,346.39

Finding the Fourth Proportional to 9,891,632.71, 13,650,888.68 and 5,481,346.39

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Solution

The fourth proportional to 9,891,632.71, 13,650,888.68 and 5,481,346.39 is: 7,564,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891,632.71 : 13,650,888.68 = 5,481,346.39 : x
  2. Step 2: Convert to fraction form
    9,891,632.71/13,650,888.68 = 5,481,346.39/x
  3. Step 3: Cross multiply
    9,891,632.71x = 13,650,888.68 × 5,481,346.39
  4. Step 4: Simplify right side
    9,891,632.71x = 74,825,249,386,409.86
  5. Step 5: Solve for x
    x = 74,825,249,386,409.86/9,891,632.71
  6. Step 6: Final answer
    x = 7,564,499.37

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1.5x scale

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.