Home / 8,918,512.80-13,377,769.20-4,666,984.80

Finding the Fourth Proportional to 8,918,512.80, 13,377,769.20 and 4,666,984.80

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Solution

The fourth proportional to 8,918,512.80, 13,377,769.20 and 4,666,984.80 is: 7,000,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,512.80 : 13,377,769.20 = 4,666,984.80 : x
  2. Step 2: Convert to fraction form
    8,918,512.80/13,377,769.20 = 4,666,984.80/x
  3. Step 3: Cross multiply
    8,918,512.80x = 13,377,769.20 × 4,666,984.80
  4. Step 4: Simplify right side
    8,918,512.80x = 62,433,845,514,308.16
  5. Step 5: Solve for x
    x = 62,433,845,514,308.16/8,918,512.80
  6. Step 6: Final answer
    x = 7,000,477.20

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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.