Home / 28,014,667.12-38,678,233.80-17,574,996.88

Finding the Fourth Proportional to 28,014,667.12, 38,678,233.80 and 17,574,996.88

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Solution

The fourth proportional to 28,014,667.12, 38,678,233.80 and 17,574,996.88 is: 24,264,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014,667.12 : 38,678,233.80 = 17,574,996.88 : x
  2. Step 2: Convert to fraction form
    28,014,667.12/38,678,233.80 = 17,574,996.88/x
  3. Step 3: Cross multiply
    28,014,667.12x = 38,678,233.80 × 17,574,996.88
  4. Step 4: Simplify right side
    28,014,667.12x = 679,769,838,358,910.50
  5. Step 5: Solve for x
    x = 679,769,838,358,910.50/28,014,667.12
  6. Step 6: Final answer
    x = 24,264,783.71

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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.