Home / 35,520,013.60-53,280,020.40-12,803,207.20

Finding the Fourth Proportional to 35,520,013.60, 53,280,020.40 and 12,803,207.20

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Solution

The fourth proportional to 35,520,013.60, 53,280,020.40 and 12,803,207.20 is: 19,204,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520,013.60 : 53,280,020.40 = 12,803,207.20 : x
  2. Step 2: Convert to fraction form
    35,520,013.60/53,280,020.40 = 12,803,207.20/x
  3. Step 3: Cross multiply
    35,520,013.60x = 53,280,020.40 × 12,803,207.20
  4. Step 4: Simplify right side
    35,520,013.60x = 682,155,140,801,426.88
  5. Step 5: Solve for x
    x = 682,155,140,801,426.88/35,520,013.60
  6. Step 6: Final answer
    x = 19,204,810.80

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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.