Home / 7,179,153.04-9,906,542.76-3,959,681.68

Finding the Fourth Proportional to 7,179,153.04, 9,906,542.76 and 3,959,681.68

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Solution

The fourth proportional to 7,179,153.04, 9,906,542.76 and 3,959,681.68 is: 5,463,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,153.04 : 9,906,542.76 = 3,959,681.68 : x
  2. Step 2: Convert to fraction form
    7,179,153.04/9,906,542.76 = 3,959,681.68/x
  3. Step 3: Cross multiply
    7,179,153.04x = 9,906,542.76 × 3,959,681.68
  4. Step 4: Simplify right side
    7,179,153.04x = 39,226,755,878,908.64
  5. Step 5: Solve for x
    x = 39,226,755,878,908.64/7,179,153.04
  6. Step 6: Final answer
    x = 5,463,981.01

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1.5x scale

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.