Home / 30,768,866.96-42,462,320.28-17,715,801.20

Finding the Fourth Proportional to 30,768,866.96, 42,462,320.28 and 17,715,801.20

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Solution

The fourth proportional to 30,768,866.96, 42,462,320.28 and 17,715,801.20 is: 24,448,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768,866.96 : 42,462,320.28 = 17,715,801.20 : x
  2. Step 2: Convert to fraction form
    30,768,866.96/42,462,320.28 = 17,715,801.20/x
  3. Step 3: Cross multiply
    30,768,866.96x = 42,462,320.28 × 17,715,801.20
  4. Step 4: Simplify right side
    30,768,866.96x = 752,254,024,571,208.38
  5. Step 5: Solve for x
    x = 752,254,024,571,208.38/30,768,866.96
  6. Step 6: Final answer
    x = 24,448,544.87

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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.