Home / 13,833,009.20-20,749,513.80-7,114,545.20

Finding the Fourth Proportional to 13,833,009.20, 20,749,513.80 and 7,114,545.20

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Solution

The fourth proportional to 13,833,009.20, 20,749,513.80 and 7,114,545.20 is: 10,671,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833,009.20 : 20,749,513.80 = 7,114,545.20 : x
  2. Step 2: Convert to fraction form
    13,833,009.20/20,749,513.80 = 7,114,545.20/x
  3. Step 3: Cross multiply
    13,833,009.20x = 20,749,513.80 × 7,114,545.20
  4. Step 4: Simplify right side
    13,833,009.20x = 147,623,353,808,123.78
  5. Step 5: Solve for x
    x = 147,623,353,808,123.78/13,833,009.20
  6. Step 6: Final answer
    x = 10,671,817.80

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1.5x scale

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.