Home / 7,039,661.04-9,712,777.50-3,983,809.68

Finding the Fourth Proportional to 7,039,661.04, 9,712,777.50 and 3,983,809.68

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Solution

The fourth proportional to 7,039,661.04, 9,712,777.50 and 3,983,809.68 is: 5,496,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,661.04 : 9,712,777.50 = 3,983,809.68 : x
  2. Step 2: Convert to fraction form
    7,039,661.04/9,712,777.50 = 3,983,809.68/x
  3. Step 3: Cross multiply
    7,039,661.04x = 9,712,777.50 × 3,983,809.68
  4. Step 4: Simplify right side
    7,039,661.04x = 38,693,857,024,186.20
  5. Step 5: Solve for x
    x = 38,693,857,024,186.20/7,039,661.04
  6. Step 6: Final answer
    x = 5,496,551.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.