Home / 9,181,386.80-13,772,080.20-7,764,210.80

Finding the Fourth Proportional to 9,181,386.80, 13,772,080.20 and 7,764,210.80

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Solution

The fourth proportional to 9,181,386.80, 13,772,080.20 and 7,764,210.80 is: 11,646,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,386.80 : 13,772,080.20 = 7,764,210.80 : x
  2. Step 2: Convert to fraction form
    9,181,386.80/13,772,080.20 = 7,764,210.80/x
  3. Step 3: Cross multiply
    9,181,386.80x = 13,772,080.20 × 7,764,210.80
  4. Step 4: Simplify right side
    9,181,386.80x = 106,929,333,827,306.16
  5. Step 5: Solve for x
    x = 106,929,333,827,306.16/9,181,386.80
  6. Step 6: Final answer
    x = 11,646,316.20

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Double scale
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Similar ratio
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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.