Home / 40,127,912.02-55,376,844-21,793,328.74

Finding the Fourth Proportional to 40,127,912.02, 55,376,844 and 21,793,328.74

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Solution

The fourth proportional to 40,127,912.02, 55,376,844 and 21,793,328.74 is: 30,074,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127,912.02 : 55,376,844 = 21,793,328.74 : x
  2. Step 2: Convert to fraction form
    40,127,912.02/55,376,844 = 21,793,328.74/x
  3. Step 3: Cross multiply
    40,127,912.02x = 55,376,844 × 21,793,328.74
  4. Step 4: Simplify right side
    40,127,912.02x = 1,206,845,765,875,696.50
  5. Step 5: Solve for x
    x = 1,206,845,765,875,696.50/40,127,912.02
  6. Step 6: Final answer
    x = 30,074,970.39

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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.