Home / 10,249,981.45-15,380,647.18-6,141,205.56

Finding the Fourth Proportional to 10,249,981.45, 15,380,647.18 and 6,141,205.56

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Solution

The fourth proportional to 10,249,981.45, 15,380,647.18 and 6,141,205.56 is: 9,215,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249,981.45 : 15,380,647.18 = 6,141,205.56 : x
  2. Step 2: Convert to fraction form
    10,249,981.45/15,380,647.18 = 6,141,205.56/x
  3. Step 3: Cross multiply
    10,249,981.45x = 15,380,647.18 × 6,141,205.56
  4. Step 4: Simplify right side
    10,249,981.45x = 94,455,715,978,214.31
  5. Step 5: Solve for x
    x = 94,455,715,978,214.31/10,249,981.45
  6. Step 6: Final answer
    x = 9,215,208.48

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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.