Home / 18,326,781.79-25,289,453.12-10,066,417.18

Finding the Fourth Proportional to 18,326,781.79, 25,289,453.12 and 10,066,417.18

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Solution

The fourth proportional to 18,326,781.79, 25,289,453.12 and 10,066,417.18 is: 13,890,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,781.79 : 25,289,453.12 = 10,066,417.18 : x
  2. Step 2: Convert to fraction form
    18,326,781.79/25,289,453.12 = 10,066,417.18/x
  3. Step 3: Cross multiply
    18,326,781.79x = 25,289,453.12 × 10,066,417.18
  4. Step 4: Simplify right side
    18,326,781.79x = 254,574,185,359,972.59
  5. Step 5: Solve for x
    x = 254,574,185,359,972.59/18,326,781.79
  6. Step 6: Final answer
    x = 13,890,828.64

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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.