Home / 7,124,809.60-10,688,510.40-2,331,164.80

Finding the Fourth Proportional to 7,124,809.60, 10,688,510.40 and 2,331,164.80

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Solution

The fourth proportional to 7,124,809.60, 10,688,510.40 and 2,331,164.80 is: 3,497,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,809.60 : 10,688,510.40 = 2,331,164.80 : x
  2. Step 2: Convert to fraction form
    7,124,809.60/10,688,510.40 = 2,331,164.80/x
  3. Step 3: Cross multiply
    7,124,809.60x = 10,688,510.40 × 2,331,164.80
  4. Step 4: Simplify right side
    7,124,809.60x = 24,916,679,208,913.92
  5. Step 5: Solve for x
    x = 24,916,679,208,913.92/7,124,809.60
  6. Step 6: Final answer
    x = 3,497,171.24

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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.