Home / 15,551,066.16-21,460,480.52-8,675,548.20

Finding the Fourth Proportional to 15,551,066.16, 21,460,480.52 and 8,675,548.20

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Solution

The fourth proportional to 15,551,066.16, 21,460,480.52 and 8,675,548.20 is: 11,972,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,066.16 : 21,460,480.52 = 8,675,548.20 : x
  2. Step 2: Convert to fraction form
    15,551,066.16/21,460,480.52 = 8,675,548.20/x
  3. Step 3: Cross multiply
    15,551,066.16x = 21,460,480.52 × 8,675,548.20
  4. Step 4: Simplify right side
    15,551,066.16x = 186,181,433,146,421.03
  5. Step 5: Solve for x
    x = 186,181,433,146,421.03/15,551,066.16
  6. Step 6: Final answer
    x = 11,972,261.66

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Double scale
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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.