Home / 56,128,383-84,192,574.50-13,578,111

Finding the Fourth Proportional to 56,128,383, 84,192,574.50 and 13,578,111

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Solution

The fourth proportional to 56,128,383, 84,192,574.50 and 13,578,111 is: 20,367,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128,383 : 84,192,574.50 = 13,578,111 : x
  2. Step 2: Convert to fraction form
    56,128,383/84,192,574.50 = 13,578,111/x
  3. Step 3: Cross multiply
    56,128,383x = 84,192,574.50 × 13,578,111
  4. Step 4: Simplify right side
    56,128,383x = 1,143,176,121,936,769.50
  5. Step 5: Solve for x
    x = 1,143,176,121,936,769.50/56,128,383
  6. Step 6: Final answer
    x = 20,367,166.50

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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.