Home / 10,211,412.30-15,317,118.45-9,361,106.70

Finding the Fourth Proportional to 10,211,412.30, 15,317,118.45 and 9,361,106.70

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Solution

The fourth proportional to 10,211,412.30, 15,317,118.45 and 9,361,106.70 is: 14,041,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,412.30 : 15,317,118.45 = 9,361,106.70 : x
  2. Step 2: Convert to fraction form
    10,211,412.30/15,317,118.45 = 9,361,106.70/x
  3. Step 3: Cross multiply
    10,211,412.30x = 15,317,118.45 × 9,361,106.70
  4. Step 4: Simplify right side
    10,211,412.30x = 143,385,180,146,988.59
  5. Step 5: Solve for x
    x = 143,385,180,146,988.59/10,211,412.30
  6. Step 6: Final answer
    x = 14,041,660.05

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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.