Home / 25,015,200.71-34,522,947.95-18,429,899.36

Finding the Fourth Proportional to 25,015,200.71, 34,522,947.95 and 18,429,899.36

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Solution

The fourth proportional to 25,015,200.71, 34,522,947.95 and 18,429,899.36 is: 25,434,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,015,200.71 : 34,522,947.95 = 18,429,899.36 : x
  2. Step 2: Convert to fraction form
    25,015,200.71/34,522,947.95 = 18,429,899.36/x
  3. Step 3: Cross multiply
    25,015,200.71x = 34,522,947.95 × 18,429,899.36
  4. Step 4: Simplify right side
    25,015,200.71x = 636,254,456,064,254.12
  5. Step 5: Solve for x
    x = 636,254,456,064,254.12/25,015,200.71
  6. Step 6: Final answer
    x = 25,434,713.22

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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.