Home / 9,021,953.85-13,500,602.61-7,811,704.50

Finding the Fourth Proportional to 9,021,953.85, 13,500,602.61 and 7,811,704.50

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Solution

The fourth proportional to 9,021,953.85, 13,500,602.61 and 7,811,704.50 is: 11,689,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,953.85 : 13,500,602.61 = 7,811,704.50 : x
  2. Step 2: Convert to fraction form
    9,021,953.85/13,500,602.61 = 7,811,704.50/x
  3. Step 3: Cross multiply
    9,021,953.85x = 13,500,602.61 × 7,811,704.50
  4. Step 4: Simplify right side
    9,021,953.85x = 105,462,718,161,248.73
  5. Step 5: Solve for x
    x = 105,462,718,161,248.73/9,021,953.85
  6. Step 6: Final answer
    x = 11,689,565.24

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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.