Home / 7,128,000.60-10,688,064.30-2,333,221.80

Finding the Fourth Proportional to 7,128,000.60, 10,688,064.30 and 2,333,221.80

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Solution

The fourth proportional to 7,128,000.60, 10,688,064.30 and 2,333,221.80 is: 3,498,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,000.60 : 10,688,064.30 = 2,333,221.80 : x
  2. Step 2: Convert to fraction form
    7,128,000.60/10,688,064.30 = 2,333,221.80/x
  3. Step 3: Cross multiply
    7,128,000.60x = 10,688,064.30 × 2,333,221.80
  4. Step 4: Simplify right side
    7,128,000.60x = 24,937,624,624,561.74
  5. Step 5: Solve for x
    x = 24,937,624,624,561.74/7,128,000.60
  6. Step 6: Final answer
    x = 3,498,544.13

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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.