Home / 9,128,373.66-12,596,598.41-4,998,453.80

Finding the Fourth Proportional to 9,128,373.66, 12,596,598.41 and 4,998,453.80

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Solution

The fourth proportional to 9,128,373.66, 12,596,598.41 and 4,998,453.80 is: 6,897,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,373.66 : 12,596,598.41 = 4,998,453.80 : x
  2. Step 2: Convert to fraction form
    9,128,373.66/12,596,598.41 = 4,998,453.80/x
  3. Step 3: Cross multiply
    9,128,373.66x = 12,596,598.41 × 4,998,453.80
  4. Step 4: Simplify right side
    9,128,373.66x = 62,963,515,101,563.20
  5. Step 5: Solve for x
    x = 62,963,515,101,563.20/9,128,373.66
  6. Step 6: Final answer
    x = 6,897,561.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.