Home / 8,527,531.61-11,769,193.80-5,429,065.19

Finding the Fourth Proportional to 8,527,531.61, 11,769,193.80 and 5,429,065.19

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Solution

The fourth proportional to 8,527,531.61, 11,769,193.80 and 5,429,065.19 is: 7,492,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,531.61 : 11,769,193.80 = 5,429,065.19 : x
  2. Step 2: Convert to fraction form
    8,527,531.61/11,769,193.80 = 5,429,065.19/x
  3. Step 3: Cross multiply
    8,527,531.61x = 11,769,193.80 × 5,429,065.19
  4. Step 4: Simplify right side
    8,527,531.61x = 63,895,720,315,097.85
  5. Step 5: Solve for x
    x = 63,895,720,315,097.85/8,527,531.61
  6. Step 6: Final answer
    x = 7,492,874.05

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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.