Home / 18,428,074.60-25,430,569.38-10,168,211.56

Finding the Fourth Proportional to 18,428,074.60, 25,430,569.38 and 10,168,211.56

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Solution

The fourth proportional to 18,428,074.60, 25,430,569.38 and 10,168,211.56 is: 14,032,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,074.60 : 25,430,569.38 = 10,168,211.56 : x
  2. Step 2: Convert to fraction form
    18,428,074.60/25,430,569.38 = 10,168,211.56/x
  3. Step 3: Cross multiply
    18,428,074.60x = 25,430,569.38 × 10,168,211.56
  4. Step 4: Simplify right side
    18,428,074.60x = 258,583,409,547,098.03
  5. Step 5: Solve for x
    x = 258,583,409,547,098.03/18,428,074.60
  6. Step 6: Final answer
    x = 14,032,036.18

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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.