Home / 30,559,053.67-42,172,291.88-16,808,378.65

Finding the Fourth Proportional to 30,559,053.67, 42,172,291.88 and 16,808,378.65

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Solution

The fourth proportional to 30,559,053.67, 42,172,291.88 and 16,808,378.65 is: 23,196,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,053.67 : 42,172,291.88 = 16,808,378.65 : x
  2. Step 2: Convert to fraction form
    30,559,053.67/42,172,291.88 = 16,808,378.65/x
  3. Step 3: Cross multiply
    30,559,053.67x = 42,172,291.88 × 16,808,378.65
  4. Step 4: Simplify right side
    30,559,053.67x = 708,847,850,330,919.12
  5. Step 5: Solve for x
    x = 708,847,850,330,919.12/30,559,053.67
  6. Step 6: Final answer
    x = 23,196,001.36

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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.