Home / 13,353,871.51-20,020,343.01-5,272,895.85

Finding the Fourth Proportional to 13,353,871.51, 20,020,343.01 and 5,272,895.85

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Solution

The fourth proportional to 13,353,871.51, 20,020,343.01 and 5,272,895.85 is: 7,905,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,871.51 : 20,020,343.01 = 5,272,895.85 : x
  2. Step 2: Convert to fraction form
    13,353,871.51/20,020,343.01 = 5,272,895.85/x
  3. Step 3: Cross multiply
    13,353,871.51x = 20,020,343.01 × 5,272,895.85
  4. Step 4: Simplify right side
    13,353,871.51x = 105,565,183,573,005.52
  5. Step 5: Solve for x
    x = 105,565,183,573,005.52/13,353,871.51
  6. Step 6: Final answer
    x = 7,905,211.87

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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.