Home / 20,886,799.32-31,353,110.64-16,596,430.20

Finding the Fourth Proportional to 20,886,799.32, 31,353,110.64 and 16,596,430.20

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Solution

The fourth proportional to 20,886,799.32, 31,353,110.64 and 16,596,430.20 is: 24,912,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,799.32 : 31,353,110.64 = 16,596,430.20 : x
  2. Step 2: Convert to fraction form
    20,886,799.32/31,353,110.64 = 16,596,430.20/x
  3. Step 3: Cross multiply
    20,886,799.32x = 31,353,110.64 × 16,596,430.20
  4. Step 4: Simplify right side
    20,886,799.32x = 520,349,712,289,637.31
  5. Step 5: Solve for x
    x = 520,349,712,289,637.31/20,886,799.32
  6. Step 6: Final answer
    x = 24,912,850.66

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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.