Home / 7,020,912.20-10,531,368.30-6,209,097.80

Finding the Fourth Proportional to 7,020,912.20, 10,531,368.30 and 6,209,097.80

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Solution

The fourth proportional to 7,020,912.20, 10,531,368.30 and 6,209,097.80 is: 9,313,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,912.20 : 10,531,368.30 = 6,209,097.80 : x
  2. Step 2: Convert to fraction form
    7,020,912.20/10,531,368.30 = 6,209,097.80/x
  3. Step 3: Cross multiply
    7,020,912.20x = 10,531,368.30 × 6,209,097.80
  4. Step 4: Simplify right side
    7,020,912.20x = 65,390,295,742,519.74
  5. Step 5: Solve for x
    x = 65,390,295,742,519.74/7,020,912.20
  6. Step 6: Final answer
    x = 9,313,646.70

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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.