Home / 14,013,679.20-21,020,518.80-13,163,373.60

Finding the Fourth Proportional to 14,013,679.20, 21,020,518.80 and 13,163,373.60

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Solution

The fourth proportional to 14,013,679.20, 21,020,518.80 and 13,163,373.60 is: 19,745,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,679.20 : 21,020,518.80 = 13,163,373.60 : x
  2. Step 2: Convert to fraction form
    14,013,679.20/21,020,518.80 = 13,163,373.60/x
  3. Step 3: Cross multiply
    14,013,679.20x = 21,020,518.80 × 13,163,373.60
  4. Step 4: Simplify right side
    14,013,679.20x = 276,700,942,230,223.69
  5. Step 5: Solve for x
    x = 276,700,942,230,223.69/14,013,679.20
  6. Step 6: Final answer
    x = 19,745,060.40

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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.