Home / 14,572,685.76-21,764,547.97-13,203,724.33

Finding the Fourth Proportional to 14,572,685.76, 21,764,547.97 and 13,203,724.33

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Solution

The fourth proportional to 14,572,685.76, 21,764,547.97 and 13,203,724.33 is: 19,719,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572,685.76 : 21,764,547.97 = 13,203,724.33 : x
  2. Step 2: Convert to fraction form
    14,572,685.76/21,764,547.97 = 13,203,724.33/x
  3. Step 3: Cross multiply
    14,572,685.76x = 21,764,547.97 × 13,203,724.33
  4. Step 4: Simplify right side
    14,572,685.76x = 287,373,091,562,941.12
  5. Step 5: Solve for x
    x = 287,373,091,562,941.12/14,572,685.76
  6. Step 6: Final answer
    x = 19,719,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.