Home / 10,004,064.07-13,805,617.52-5,420,385.45

Finding the Fourth Proportional to 10,004,064.07, 13,805,617.52 and 5,420,385.45

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Solution

The fourth proportional to 10,004,064.07, 13,805,617.52 and 5,420,385.45 is: 7,480,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004,064.07 : 13,805,617.52 = 5,420,385.45 : x
  2. Step 2: Convert to fraction form
    10,004,064.07/13,805,617.52 = 5,420,385.45/x
  3. Step 3: Cross multiply
    10,004,064.07x = 13,805,617.52 × 5,420,385.45
  4. Step 4: Simplify right side
    10,004,064.07x = 74,831,768,333,673.08
  5. Step 5: Solve for x
    x = 74,831,768,333,673.08/10,004,064.07
  6. Step 6: Final answer
    x = 7,480,136.85

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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.