Home / 56,165,393-84,248,089.50-13,615,121

Finding the Fourth Proportional to 56,165,393, 84,248,089.50 and 13,615,121

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Solution

The fourth proportional to 56,165,393, 84,248,089.50 and 13,615,121 is: 20,422,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,393 : 84,248,089.50 = 13,615,121 : x
  2. Step 2: Convert to fraction form
    56,165,393/84,248,089.50 = 13,615,121/x
  3. Step 3: Cross multiply
    56,165,393x = 84,248,089.50 × 13,615,121
  4. Step 4: Simplify right side
    56,165,393x = 1,147,047,932,561,329.50
  5. Step 5: Solve for x
    x = 1,147,047,932,561,329.50/56,165,393
  6. Step 6: Final answer
    x = 20,422,681.50

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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.