Home / 19,872,100.80-29,808,151.20-7,093,022.40

Finding the Fourth Proportional to 19,872,100.80, 29,808,151.20 and 7,093,022.40

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Solution

The fourth proportional to 19,872,100.80, 29,808,151.20 and 7,093,022.40 is: 10,639,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,100.80 : 29,808,151.20 = 7,093,022.40 : x
  2. Step 2: Convert to fraction form
    19,872,100.80/29,808,151.20 = 7,093,022.40/x
  3. Step 3: Cross multiply
    19,872,100.80x = 29,808,151.20 × 7,093,022.40
  4. Step 4: Simplify right side
    19,872,100.80x = 211,429,884,164,186.88
  5. Step 5: Solve for x
    x = 211,429,884,164,186.88/19,872,100.80
  6. Step 6: Final answer
    x = 10,639,533.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.