Home / 18,117,580.32-25,001,802-9,857,291.04

Finding the Fourth Proportional to 18,117,580.32, 25,001,802 and 9,857,291.04

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Solution

The fourth proportional to 18,117,580.32, 25,001,802 and 9,857,291.04 is: 13,602,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117,580.32 : 25,001,802 = 9,857,291.04 : x
  2. Step 2: Convert to fraction form
    18,117,580.32/25,001,802 = 9,857,291.04/x
  3. Step 3: Cross multiply
    18,117,580.32x = 25,001,802 × 9,857,291.04
  4. Step 4: Simplify right side
    18,117,580.32x = 246,450,038,838,454.06
  5. Step 5: Solve for x
    x = 246,450,038,838,454.06/18,117,580.32
  6. Step 6: Final answer
    x = 13,602,811.99

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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.