Home / 29,124,122.40-40,191,022.80-16,071,501.60

Finding the Fourth Proportional to 29,124,122.40, 40,191,022.80 and 16,071,501.60

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Solution

The fourth proportional to 29,124,122.40, 40,191,022.80 and 16,071,501.60 is: 22,178,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124,122.40 : 40,191,022.80 = 16,071,501.60 : x
  2. Step 2: Convert to fraction form
    29,124,122.40/40,191,022.80 = 16,071,501.60/x
  3. Step 3: Cross multiply
    29,124,122.40x = 40,191,022.80 × 16,071,501.60
  4. Step 4: Simplify right side
    29,124,122.40x = 645,930,087,235,836.38
  5. Step 5: Solve for x
    x = 645,930,087,235,836.38/29,124,122.40
  6. Step 6: Final answer
    x = 22,178,525.36

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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.