Home / 38,371,590.12-52,952,935.40-20,967,937.96

Finding the Fourth Proportional to 38,371,590.12, 52,952,935.40 and 20,967,937.96

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Solution

The fourth proportional to 38,371,590.12, 52,952,935.40 and 20,967,937.96 is: 28,935,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371,590.12 : 52,952,935.40 = 20,967,937.96 : x
  2. Step 2: Convert to fraction form
    38,371,590.12/52,952,935.40 = 20,967,937.96/x
  3. Step 3: Cross multiply
    38,371,590.12x = 52,952,935.40 × 20,967,937.96
  4. Step 4: Simplify right side
    38,371,590.12x = 1,110,313,864,267,087.75
  5. Step 5: Solve for x
    x = 1,110,313,864,267,087.75/38,371,590.12
  6. Step 6: Final answer
    x = 28,935,831.45

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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.