Home / 6,404,991.60-9,607,487.40-6,128,554.80

Finding the Fourth Proportional to 6,404,991.60, 9,607,487.40 and 6,128,554.80

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Solution

The fourth proportional to 6,404,991.60, 9,607,487.40 and 6,128,554.80 is: 9,192,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404,991.60 : 9,607,487.40 = 6,128,554.80 : x
  2. Step 2: Convert to fraction form
    6,404,991.60/9,607,487.40 = 6,128,554.80/x
  3. Step 3: Cross multiply
    6,404,991.60x = 9,607,487.40 × 6,128,554.80
  4. Step 4: Simplify right side
    6,404,991.60x = 58,880,013,021,209.52
  5. Step 5: Solve for x
    x = 58,880,013,021,209.52/6,404,991.60
  6. Step 6: Final answer
    x = 9,192,832.20

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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.