Home / 7,020,492.66-10,531,132.92-1,971,409.50

Finding the Fourth Proportional to 7,020,492.66, 10,531,132.92 and 1,971,409.50

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Solution

The fourth proportional to 7,020,492.66, 10,531,132.92 and 1,971,409.50 is: 2,957,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,492.66 : 10,531,132.92 = 1,971,409.50 : x
  2. Step 2: Convert to fraction form
    7,020,492.66/10,531,132.92 = 1,971,409.50/x
  3. Step 3: Cross multiply
    7,020,492.66x = 10,531,132.92 × 1,971,409.50
  4. Step 4: Simplify right side
    7,020,492.66x = 20,761,175,484,250.74
  5. Step 5: Solve for x
    x = 20,761,175,484,250.74/7,020,492.66
  6. Step 6: Final answer
    x = 2,957,224.87

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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.