Home / 10,211,411.80-15,317,117.70-9,361,106.20

Finding the Fourth Proportional to 10,211,411.80, 15,317,117.70 and 9,361,106.20

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Solution

The fourth proportional to 10,211,411.80, 15,317,117.70 and 9,361,106.20 is: 14,041,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,411.80 : 15,317,117.70 = 9,361,106.20 : x
  2. Step 2: Convert to fraction form
    10,211,411.80/15,317,117.70 = 9,361,106.20/x
  3. Step 3: Cross multiply
    10,211,411.80x = 15,317,117.70 × 9,361,106.20
  4. Step 4: Simplify right side
    10,211,411.80x = 143,385,165,467,599.72
  5. Step 5: Solve for x
    x = 143,385,165,467,599.72/10,211,411.80
  6. Step 6: Final answer
    x = 14,041,659.30

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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.